2122312120412 has 96 divisors (see below), whose sum is σ = 4344368587776. Its totient is φ = 896482713600.

The previous prime is 2122312120387. The next prime is 2122312120417. The reversal of 2122312120412 is 2140212132212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122312120417) 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, 31237703 + ... + 31305569.

It is an arithmetic number, because the mean of its divisors is an integer number (45253839456).

Almost surely, 2^{2122312120412} is an apocalyptic number.

2122312120412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2122312120412 is an abundant number, since it is smaller than the sum of its proper divisors (2222056467364).

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

2122312120412 is a wasteful number, since it uses less digits than its factorization.

2122312120412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68427 (or 68425 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2122312120412 its reverse (2140212132212), we get a palindrome (4262524252624).

The spelling of 2122312120412 in words is "two trillion, one hundred twenty-two billion, three hundred twelve million, one hundred twenty thousand, four hundred twelve".