20120000012012 has 12 divisors (see below), whose sum is σ = 36345806473536. Its totient is φ = 9735483876720.

The previous prime is 20120000012003. The next prime is 20120000012023. The reversal of 20120000012012 is 21021000002102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20120000011984 and 20120000012002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81129032183 + ... + 81129032430.

It is an arithmetic number, because the mean of its divisors is an integer number (3028817206128).

Almost surely, 2^{20120000012012} is an apocalyptic number.

It is an amenable number.

20120000012012 is a deficient number, since it is larger than the sum of its proper divisors (16225806461524).

20120000012012 is a wasteful number, since it uses less digits than its factorization.

20120000012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162258064648 (or 162258064646 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20120000012012 its reverse (21021000002102), we get a palindrome (41141000014114).

The spelling of 20120000012012 in words is "twenty trillion, one hundred twenty billion, twelve thousand, twelve".