12021423051124 has 24 divisors (see below), whose sum is σ = 21166614663488. Its totient is φ = 5973878131200.

The previous prime is 12021423051037. The next prime is 12021423051133. The reversal of 12021423051124 is 42115032412021.

It is a happy number.

It is a super-2 number, since 2×12021423051124² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12021423051092 and 12021423051101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6596712 + ... + 8219455.

Almost surely, 2^{12021423051124} is an apocalyptic number.

It is an amenable number.

12021423051124 is a deficient number, since it is larger than the sum of its proper divisors (9145191612364).

12021423051124 is a wasteful number, since it uses less digits than its factorization.

12021423051124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14817415 (or 14817413 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 12021423051124 its reverse (42115032412021), we get a palindrome (54136455463145).

The spelling of 12021423051124 in words is "twelve trillion, twenty-one billion, four hundred twenty-three million, fifty-one thousand, one hundred twenty-four".