212400133003124 has 96 divisors (see below), whose sum is σ = 430654671941760. Its totient is φ = 90588978176000.

The previous prime is 212400133003109. The next prime is 212400133003127. The reversal of 212400133003124 is 421300331004212.

It is a super-2 number, since 2×212400133003124² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212400133003093 and 212400133003102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212400133003127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1583484092 + ... + 1583618220.

It is an arithmetic number, because the mean of its divisors is an integer number (4485986166060).

Almost surely, 2^{212400133003124} is an apocalyptic number.

It is an amenable number.

212400133003124 is an abundant number, since it is smaller than the sum of its proper divisors (218254538938636).

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

212400133003124 is a wasteful number, since it uses less digits than its factorization.

212400133003124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140609 (or 140607 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 212400133003124 its reverse (421300331004212), we get a palindrome (633700464007336).

The spelling of 212400133003124 in words is "two hundred twelve trillion, four hundred billion, one hundred thirty-three million, three thousand, one hundred twenty-four".