120002102010 has 72 divisors (see below), whose sum is σ = 362945146356. Its totient is φ = 27429050880.

The previous prime is 120002101981. The next prime is 120002102029. The reversal of 120002102010 is 10201200021.

It can be written as a sum of positive squares in 2 ways, for example, as 115578920961 + 4423181049 = 339969^2 + 66507^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120002101983 and 120002102001.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13601271 + ... + 13610090.

Almost surely, 2^120002102010 is an apocalyptic number.

120002102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120002102010 is an abundant number, since it is smaller than the sum of its proper divisors (242943044346).

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

120002102010 is a wasteful number, since it uses less digits than its factorization.

120002102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27211388 (or 27211378 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120002102010 its reverse (10201200021), we get a palindrome (130203302031).

The spelling of 120002102010 in words is "one hundred twenty billion, two million, one hundred two thousand, ten".