20112002122012 has 12 divisors (see below), whose sum is σ = 35202043912840. Its totient is φ = 10054275289776.

The previous prime is 20112002121877. The next prime is 20112002122067. The reversal of 20112002122012 is 21022120021102.

It is a happy number.

It is a congruent number.

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, 431416587 + ... + 431463202.

Almost surely, 2^{20112002122012} is an apocalyptic number.

It is an amenable number.

20112002122012 is a deficient number, since it is larger than the sum of its proper divisors (15090041790828).

20112002122012 is a wasteful number, since it uses less digits than its factorization.

20112002122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862885620 (or 862885618 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20112002122012 its reverse (21022120021102), we get a palindrome (41134122143114).

The spelling of 20112002122012 in words is "twenty trillion, one hundred twelve billion, two million, one hundred twenty-two thousand, twelve".