120021100011012 has 24 divisors (see below), whose sum is σ = 289083079597312. Its totient is φ = 38716483874400.

The previous prime is 120021100010909. The next prime is 120021100011047. The reversal of 120021100011012 is 210110001120021.

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

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, 161318682439 + ... + 161318683182.

Almost surely, 2^{120021100011012} is an apocalyptic number.

120021100011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120021100011012 is an abundant number, since it is smaller than the sum of its proper divisors (169061979586300).

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

120021100011012 is a wasteful number, since it uses less digits than its factorization.

120021100011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322637365659 (or 322637365657 counting only the distinct ones).

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

Adding to 120021100011012 its reverse (210110001120021), we get a palindrome (330131101131033).

The spelling of 120021100011012 in words is "one hundred twenty trillion, twenty-one billion, one hundred million, eleven thousand, twelve".