116212456131 has 4 divisors (see below), whose sum is σ = 154949941512. Its totient is φ = 77474970752.

The previous prime is 116212456081. The next prime is 116212456153. The reversal of 116212456131 is 131654212611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116212456131 - 2²³ = 116204067523 is a prime.

It is a super-2 number, since 2×116212456131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 116212456092 and 116212456101.

It is not an unprimeable number, because it can be changed into a prime (116212456931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19368742686 + ... + 19368742691.

It is an arithmetic number, because the mean of its divisors is an integer number (38737485378).

Almost surely, 2^116212456131 is an apocalyptic number.

116212456131 is a deficient number, since it is larger than the sum of its proper divisors (38737485381).

116212456131 is an equidigital number, since it uses as much as digits as its factorization.

116212456131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38737485380.

The product of its digits is 8640, while the sum is 33.

Adding to 116212456131 its reverse (131654212611), we get a palindrome (247866668742).

The spelling of 116212456131 in words is "one hundred sixteen billion, two hundred twelve million, four hundred fifty-six thousand, one hundred thirty-one".