120111612 has 24 divisors (see below), whose sum is σ = 292446336. Its totient is φ = 38296368.

The previous prime is 120111611. The next prime is 120111619. The reversal of 120111612 is 216111021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120111591 and 120111600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217318 + ... + 217869.

It is an arithmetic number, because the mean of its divisors is an integer number (12185264).

Almost surely, 2^120111612 is an apocalyptic number.

120111612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120111612 is an abundant number, since it is smaller than the sum of its proper divisors (172334724).

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

120111612 is a wasteful number, since it uses less digits than its factorization.

120111612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435217 (or 435215 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 120111612 is about 10959.5443335934. The cubic root of 120111612 is about 493.3952890698.

Adding to 120111612 its reverse (216111021), we get a palindrome (336222633).

The spelling of 120111612 in words is "one hundred twenty million, one hundred eleven thousand, six hundred twelve".