2123313201000 has 96 divisors (see below), whose sum is σ = 7176798649800. Its totient is φ = 566216851200.

The previous prime is 2123313200963. The next prime is 2123313201083. The reversal of 2123313201000 is 1023133212.

2123313201000 is a `hidden beast` number, since 2 + 1 + 2 + 331 + 320 + 10 + 0 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 111846100356 + 2011467100644 = 334434^2 + 1418262^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 117952845 + ... + 117970844.

Almost surely, 2^{2123313201000} is an apocalyptic number.

2123313201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123313201000 is an abundant number, since it is smaller than the sum of its proper divisors (5053485448800).

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

2123313201000 is a wasteful number, since it uses less digits than its factorization.

2123313201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235923716 (or 235923699 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2123313201000 its reverse (1023133212), we get a palindrome (2124336334212).

The spelling of 2123313201000 in words is "two trillion, one hundred twenty-three billion, three hundred thirteen million, two hundred one thousand".