20120021120132 has 6 divisors (see below), whose sum is σ = 35210036960238. Its totient is φ = 10060010560064.

The previous prime is 20120021120123. The next prime is 20120021120161. The reversal of 20120021120132 is 23102112002102.

It can be written as a sum of positive squares in only one way, i.e., 20015655940996 + 104365179136 = 4473886^2 + 323056^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20120021120132.

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 as a sum of consecutive naturals, namely, 2515002640013 + ... + 2515002640020.

It is an arithmetic number, because the mean of its divisors is an integer number (5868339493373).

Almost surely, 2^{20120021120132} is an apocalyptic number.

It is an amenable number.

20120021120132 is a deficient number, since it is larger than the sum of its proper divisors (15090015840106).

20120021120132 is a wasteful number, since it uses less digits than its factorization.

20120021120132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030005280037 (or 5030005280035 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20120021120132 its reverse (23102112002102), we get a palindrome (43222133122234).

The spelling of 20120021120132 in words is "twenty trillion, one hundred twenty billion, twenty-one million, one hundred twenty thousand, one hundred thirty-two".