120211311312 has 60 divisors (see below), whose sum is σ = 336452384320. Its totient is φ = 40067141184.

The previous prime is 120211311287. The next prime is 120211311317. The reversal of 120211311312 is 213113112021.

120211311312 is a `hidden beast` number, since 1 + 20 + 21 + 1 + 311 + 312 = 666.

It is a super-2 number, since 2×120211311312² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211311317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2246889 + ... + 2299767.

Almost surely, 2^120211311312 is an apocalyptic number.

120211311312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120211311312 is an abundant number, since it is smaller than the sum of its proper divisors (216241073008).

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

120211311312 is a wasteful number, since it uses less digits than its factorization.

120211311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68680 (or 68671 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 120211311312 its reverse (213113112021), we get a palindrome (333324423333).

The spelling of 120211311312 in words is "one hundred twenty billion, two hundred eleven million, three hundred eleven thousand, three hundred twelve".