120111321001012 has 24 divisors (see below), whose sum is σ = 230287565918592. Its totient is φ = 54361737163200.

The previous prime is 120111321000929. The next prime is 120111321001043. The reversal of 120111321001012 is 210100123111021.

It is a happy number.

It is a congruent number.

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, 5857935564 + ... + 5857956067.

It is an arithmetic number, because the mean of its divisors is an integer number (9595315246608).

Almost surely, 2^{120111321001012} is an apocalyptic number.

It is an amenable number.

120111321001012 is a deficient number, since it is larger than the sum of its proper divisors (110176244917580).

120111321001012 is a wasteful number, since it uses less digits than its factorization.

120111321001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11715891879 (or 11715891877 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 120111321001012 its reverse (210100123111021), we get a palindrome (330211444112033).

It can be divided in two parts, 120111 and 321001012, that added together give a palindrome (321121123).

The spelling of 120111321001012 in words is "one hundred twenty trillion, one hundred eleven billion, three hundred twenty-one million, one thousand, twelve".