2123220740904 has 96 divisors (see below), whose sum is σ = 5773243476000. Its totient is φ = 704930760576.

The previous prime is 2123220740881. The next prime is 2123220740939. The reversal of 2123220740904 is 4090470223212.

It is a happy number.

2123220740904 is a `hidden beast` number, since 2 + 1 + 23 + 220 + 7 + 409 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31553007 + ... + 31620225.

It is an arithmetic number, because the mean of its divisors is an integer number (60137952875).

Almost surely, 2^{2123220740904} is an apocalyptic number.

2123220740904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2123220740904 is an abundant number, since it is smaller than the sum of its proper divisors (3650022735096).

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

2123220740904 is a wasteful number, since it uses less digits than its factorization.

2123220740904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68967 (or 68960 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 2123220740904 in words is "two trillion, one hundred twenty-three billion, two hundred twenty million, seven hundred forty thousand, nine hundred four".