20012112002 has 16 divisors (see below), whose sum is σ = 30275743680. Its totient is φ = 9920506608.

The previous prime is 20012111971. The next prime is 20012112017. The reversal of 20012112002 is 20021121002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52913 + ... + 206939.

It is an arithmetic number, because the mean of its divisors is an integer number (1892233980).

Almost surely, 2^20012112002 is an apocalyptic number.

20012112002 is a deficient number, since it is larger than the sum of its proper divisors (10263631678).

20012112002 is a wasteful number, since it uses less digits than its factorization.

20012112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154585.

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

Adding to 20012112002 its reverse (20021121002), we get a palindrome (40033233004).

The spelling of 20012112002 in words is "twenty billion, twelve million, one hundred twelve thousand, two".