10120001012 has 36 divisors (see below), whose sum is σ = 20312751648. Its totient is φ = 4399995600.

The previous prime is 10120000987. The next prime is 10120001033. The reversal of 10120001012 is 21010002101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 443414 + ... + 465677.

Almost surely, 2^10120001012 is an apocalyptic number.

It is an amenable number.

10120001012 is an abundant number, since it is smaller than the sum of its proper divisors (10192750636).

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

10120001012 is a wasteful number, since it uses less digits than its factorization.

10120001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909140 (or 909127 counting only the distinct ones).

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

Adding to 10120001012 its reverse (21010002101), we get a palindrome (31130003113).

The spelling of 10120001012 in words is "ten billion, one hundred twenty million, one thousand, twelve".