20120021112002 has 16 divisors (see below), whose sum is σ = 34813814904000. Its totient is φ = 8542278655728.

The previous prime is 20120021111951. The next prime is 20120021112041. The reversal of 20120021112002 is 20021112002102.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6715626377 + ... + 6715629372.

It is an arithmetic number, because the mean of its divisors is an integer number (2175863431500).

Almost surely, 2^{20120021112002} is an apocalyptic number.

20120021112002 is a deficient number, since it is larger than the sum of its proper divisors (14693793791998).

20120021112002 is a wasteful number, since it uses less digits than its factorization.

20120021112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13431255865.

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

Adding to 20120021112002 its reverse (20021112002102), we get a palindrome (40141133114104).

The spelling of 20120021112002 in words is "twenty trillion, one hundred twenty billion, twenty-one million, one hundred twelve thousand, two".