12212031115 has 32 divisors (see below), whose sum is σ = 15268357440. Its totient is φ = 9368561664.

The previous prime is 12212031113. The next prime is 12212031119. The reversal of 12212031115 is 51113021221.

It is a cyclic number.

It is not a de Polignac number, because 12212031115 - 2¹ = 12212031113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12212031092 and 12212031101.

It is not an unprimeable number, because it can be changed into a prime (12212031113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9473391 + ... + 9474679.

It is an arithmetic number, because the mean of its divisors is an integer number (477136170).

Almost surely, 2^12212031115 is an apocalyptic number.

12212031115 is a deficient number, since it is larger than the sum of its proper divisors (3056326325).

12212031115 is a wasteful number, since it uses less digits than its factorization.

12212031115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12212031115 its reverse (51113021221), we get a palindrome (63325052336).

The spelling of 12212031115 in words is "twelve billion, two hundred twelve million, thirty-one thousand, one hundred fifteen".