1012212011 has 8 divisors (see below), whose sum is σ = 1075205664. Its totient is φ = 949601920.

The previous prime is 1012211999. The next prime is 1012212017. The reversal of 1012212011 is 1102122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012212011 - 2¹⁰ = 1012210987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012211983 and 1012212001.

It is not an unprimeable number, because it can be changed into a prime (1012212017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90440 + ... + 101013.

It is an arithmetic number, because the mean of its divisors is an integer number (134400708).

Almost surely, 2^1012212011 is an apocalyptic number.

1012212011 is a deficient number, since it is larger than the sum of its proper divisors (62993653).

1012212011 is a wasteful number, since it uses less digits than its factorization.

1012212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191781.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1012212011 is about 31815.2795210100. The cubic root of 1012212011 is about 1004.0542114900.

Adding to 1012212011 its reverse (1102122101), we get a palindrome (2114334112).

The spelling of 1012212011 in words is "one billion, twelve million, two hundred twelve thousand, eleven".