120213012131 has 4 divisors (see below), whose sum is σ = 124090851264. Its totient is φ = 116335173000.

The previous prime is 120213012121. The next prime is 120213012163. The reversal of 120213012131 is 131210312021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131210312021 = 197 ⋅666042193.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120213012131 is a prime.

It is a super-2 number, since 2×120213012131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120213012121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1938919520 + ... + 1938919581.

It is an arithmetic number, because the mean of its divisors is an integer number (31022712816).

Almost surely, 2^120213012131 is an apocalyptic number.

120213012131 is a deficient number, since it is larger than the sum of its proper divisors (3877839133).

120213012131 is an equidigital number, since it uses as much as digits as its factorization.

120213012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877839132.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 120213012131 its reverse (131210312021), we get a palindrome (251423324152).

The spelling of 120213012131 in words is "one hundred twenty billion, two hundred thirteen million, twelve thousand, one hundred thirty-one".