120212123131 has 24 divisors (see below), whose sum is σ = 129424450320. Its totient is φ = 111611497536.

The previous prime is 120212123111. The next prime is 120212123189. The reversal of 120212123131 is 131321212021.

It is not a de Polignac number, because 120212123131 - 2⁵ = 120212123099 is a prime.

It is a super-2 number, since 2×120212123131² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120212123099 and 120212123108.

It is not an unprimeable number, because it can be changed into a prime (120212123111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4752225 + ... + 4777453.

It is an arithmetic number, because the mean of its divisors is an integer number (5392685430).

Almost surely, 2^120212123131 is an apocalyptic number.

120212123131 is a deficient number, since it is larger than the sum of its proper divisors (9212327189).

120212123131 is a wasteful number, since it uses less digits than its factorization.

120212123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25531 (or 25512 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 120212123131 its reverse (131321212021), we get a palindrome (251533335152).

The spelling of 120212123131 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty-three thousand, one hundred thirty-one".