120020002121012 has 36 divisors (see below), whose sum is σ = 245122284585024. Its totient is φ = 51269596040880.

The previous prime is 120020002121003. The next prime is 120020002121027. The reversal of 120020002121012 is 210121200020021.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 997247564 + ... + 997367907.

It is an arithmetic number, because the mean of its divisors is an integer number (6808952349584).

Almost surely, 2^{120020002121012} is an apocalyptic number.

It is an amenable number.

120020002121012 is an abundant number, since it is smaller than the sum of its proper divisors (125102282464012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120020002121012 is a wasteful number, since it uses less digits than its factorization.

120020002121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994615796 (or 1994615787 counting only the distinct ones).

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

Adding to 120020002121012 its reverse (210121200020021), we get a palindrome (330141202141033).

The spelling of 120020002121012 in words is "one hundred twenty trillion, twenty billion, two million, one hundred twenty-one thousand, twelve".