20120000120010 has 160 divisors (see below), whose sum is σ = 61831638709632. Its totient is φ = 4598666835840.

The previous prime is 20120000119997. The next prime is 20120000120029. The reversal of 20120000120010 is 1002100002102.

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 = 20120000119974 and 20120000120001.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 172837125 + ... + 172953495.

Almost surely, 2^{20120000120010} is an apocalyptic number.

20120000120010 is an abundant number, since it is smaller than the sum of its proper divisors (41711638589622).

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

20120000120010 is a wasteful number, since it uses less digits than its factorization.

20120000120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146890 (or 146881 counting only the distinct ones).

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

Adding to 20120000120010 its reverse (1002100002102), we get a palindrome (21122100122112).

The spelling of 20120000120010 in words is "twenty trillion, one hundred twenty billion, one hundred twenty thousand, ten".