210101012 has 96 divisors (see below), whose sum is σ = 445992960. Its totient is φ = 86248800.

The previous prime is 210101009. The next prime is 210101033.

210101012 is nontrivially palindromic in base 10.

210101012 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3135803 + ... + 3135869.

It is an arithmetic number, because the mean of its divisors is an integer number (4645760).

Almost surely, 2^210101012 is an apocalyptic number.

210101012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210101012 is an abundant number, since it is smaller than the sum of its proper divisors (235891948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210101012 is a wasteful number, since it uses less digits than its factorization.

210101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 210101012 is about 14494.8615722952. The cubic root of 210101012 is about 594.4874827688.

It can be divided in two parts, 21010 and 1012, that added together give a palindrome (22022).

The spelling of 210101012 in words is "two hundred ten million, one hundred one thousand, twelve".