212012036457 has 48 divisors (see below), whose sum is σ = 308651396928. Its totient is φ = 128682892800.

The previous prime is 212012036447. The next prime is 212012036501. The reversal of 212012036457 is 754630210212.

It is not a de Polignac number, because 212012036457 - 2⁶ = 212012036393 is a prime.

It is a super-2 number, since 2×212012036457² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212012036417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 201723582 + ... + 201724632.

It is an arithmetic number, because the mean of its divisors is an integer number (6430237436).

Almost surely, 2^212012036457 is an apocalyptic number.

It is an amenable number.

212012036457 is a deficient number, since it is larger than the sum of its proper divisors (96639360471).

212012036457 is a wasteful number, since it uses less digits than its factorization.

212012036457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 212012036457 its reverse (754630210212), we get a palindrome (966642246669).

The spelling of 212012036457 in words is "two hundred twelve billion, twelve million, thirty-six thousand, four hundred fifty-seven".