2122042154312 has 16 divisors (see below), whose sum is σ = 3979542047100. Its totient is φ = 1060830941760.

The previous prime is 2122042154299. The next prime is 2122042154327. The reversal of 2122042154312 is 2134512402212.

It can be written as a sum of positive squares in 2 ways, for example, as 1978169112676 + 143873041636 = 1406474^2 + 379306^2 .

It is a super-2 number, since 2×2122042154312² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23719487 + ... + 23808782.

Almost surely, 2^{2122042154312} is an apocalyptic number.

It is an amenable number.

2122042154312 is a deficient number, since it is larger than the sum of its proper divisors (1857499892788).

2122042154312 is a wasteful number, since it uses less digits than its factorization.

2122042154312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47533856 (or 47533852 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 2122042154312 its reverse (2134512402212), we get a palindrome (4256554556524).

The spelling of 2122042154312 in words is "two trillion, one hundred twenty-two billion, forty-two million, one hundred fifty-four thousand, three hundred twelve".