120131211492 has 36 divisors (see below), whose sum is σ = 303695879760. Its totient is φ = 40039666032.

The previous prime is 120131211491. The next prime is 120131211493. The reversal of 120131211492 is 294112131021.

120131211492 is a `hidden beast` number, since 1 + 20 + 131 + 21 + 1 + 492 = 666.

It is an interprime number because it is at equal distance from previous prime (120131211491) and next prime (120131211493).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (120131211491) 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, 200443 + ... + 529565.

It is an arithmetic number, because the mean of its divisors is an integer number (8435996660).

Almost surely, 2^120131211492 is an apocalyptic number.

120131211492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120131211492 is an abundant number, since it is smaller than the sum of its proper divisors (183564668268).

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

120131211492 is a wasteful number, since it uses less digits than its factorization.

120131211492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339272 (or 339267 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 120131211492 in words is "one hundred twenty billion, one hundred thirty-one million, two hundred eleven thousand, four hundred ninety-two".