2124190021264 has 20 divisors (see below), whose sum is σ = 4357713353004. Its totient is φ = 999618833408.

The previous prime is 2124190021237. The next prime is 2124190021267. The reversal of 2124190021264 is 4621200914212.

It can be written as a sum of positive squares in 2 ways, for example, as 1653045061264 + 471144960000 = 1285708^2 + 686400^2 .

It is a super-3 number, since 3×2124190021264³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (2124190021267) 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 3 ways as a sum of consecutive naturals, for example, 3904760797 + ... + 3904761340.

Almost surely, 2^{2124190021264} is an apocalyptic number.

It is an amenable number.

2124190021264 is an abundant number, since it is smaller than the sum of its proper divisors (2233523331740).

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

2124190021264 is a wasteful number, since it uses less digits than its factorization.

2124190021264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7809522162 (or 7809522156 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

Adding to 2124190021264 its reverse (4621200914212), we get a palindrome (6745390935476).

The spelling of 2124190021264 in words is "two trillion, one hundred twenty-four billion, one hundred ninety million, twenty-one thousand, two hundred sixty-four".