120100100121012 has 96 divisors (see below), whose sum is σ = 306040959544320. Its totient is φ = 36354499361280.

The previous prime is 120100100120971. The next prime is 120100100121097. The reversal of 120100100121012 is 210121001001021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1478605833 + ... + 1478687055.

It is an arithmetic number, because the mean of its divisors is an integer number (3187926661920).

Almost surely, 2^{120100100121012} is an apocalyptic number.

120100100121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120100100121012 is an abundant number, since it is smaller than the sum of its proper divisors (185940859423308).

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

120100100121012 is a wasteful number, since it uses less digits than its factorization.

120100100121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93253 (or 93251 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120100100121012 its reverse (210121001001021), we get a palindrome (330221101122033).

The spelling of 120100100121012 in words is "one hundred twenty trillion, one hundred billion, one hundred million, one hundred twenty-one thousand, twelve".