20012102112002 has 128 divisors (see below), whose sum is σ = 42074037411840. Its totient is φ = 6881360048640.

The previous prime is 20012102111927. The next prime is 20012102112019. The reversal of 20012102112002 is 20021120121002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111479774 + ... + 111659142.

It is an arithmetic number, because the mean of its divisors is an integer number (328703417280).

Almost surely, 2^{20012102112002} is an apocalyptic number.

20012102112002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012102112002 is an abundant number, since it is smaller than the sum of its proper divisors (22061935299838).

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

20012102112002 is a wasteful number, since it uses less digits than its factorization.

20012102112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181848.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20012102112002 its reverse (20021120121002), we get a palindrome (40033222233004).

The spelling of 20012102112002 in words is "twenty trillion, twelve billion, one hundred two million, one hundred twelve thousand, two".