212400010140424 has 32 divisors (see below), whose sum is σ = 399208085267040. Its totient is φ = 105944591708800.

The previous prime is 212400010140419. The next prime is 212400010140449. The reversal of 212400010140424 is 424041010004212.

It is a happy number.

It is a super-2 number, since 2×212400010140424² (a number of 29 digits) contains 22 as substring.

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, 19528779 + ... + 28393189.

It is an arithmetic number, because the mean of its divisors is an integer number (12475252664595).

Almost surely, 2^{212400010140424} is an apocalyptic number.

It is an amenable number.

212400010140424 is a deficient number, since it is larger than the sum of its proper divisors (186808075126616).

212400010140424 is a wasteful number, since it uses less digits than its factorization.

212400010140424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8871621 (or 8871617 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 212400010140424 its reverse (424041010004212), we get a palindrome (636441020144636).

The spelling of 212400010140424 in words is "two hundred twelve trillion, four hundred billion, ten million, one hundred forty thousand, four hundred twenty-four".