101020012 has 6 divisors (see below), whose sum is σ = 176785028. Its totient is φ = 50510004.

The previous prime is 101020009. The next prime is 101020037. The reversal of 101020012 is 210020101.

It is a junction number, because it is equal to n+sod(n) for n = 101019977 and 101020004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12627498 + ... + 12627505.

Almost surely, 2^101020012 is an apocalyptic number.

It is an amenable number.

101020012 is a deficient number, since it is larger than the sum of its proper divisors (75765016).

101020012 is a wasteful number, since it uses less digits than its factorization.

101020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25255007 (or 25255005 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 101020012 is about 10050.8712060199. The cubic root of 101020012 is about 465.7317065295.

Adding to 101020012 its reverse (210020101), we get a palindrome (311040113).

The spelling of 101020012 in words is "one hundred one million, twenty thousand, twelve".