12312212212332 has 48 divisors (see below), whose sum is σ = 33798229607520. Its totient is φ = 3862654811136.

The previous prime is 12312212212319. The next prime is 12312212212343. The reversal of 12312212212332 is 23321221221321.

12312212212332 is a `hidden beast` number, since 1 + 2 + 312 + 2 + 1 + 2 + 2 + 12 + 332 = 666.

It is a super-2 number, since 2×12312212212332² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12312212212296 and 12312212212305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3352997133 + ... + 3353000804.

It is an arithmetic number, because the mean of its divisors is an integer number (704129783490).

Almost surely, 2^{12312212212332} is an apocalyptic number.

12312212212332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12312212212332 is an abundant number, since it is smaller than the sum of its proper divisors (21486017395188).

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

12312212212332 is a wasteful number, since it uses less digits than its factorization.

12312212212332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705997967 (or 6705997959 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 12312212212332 its reverse (23321221221321), we get a palindrome (35633433433653).

The spelling of 12312212212332 in words is "twelve trillion, three hundred twelve billion, two hundred twelve million, two hundred twelve thousand, three hundred thirty-two".