23210210002120 has 64 divisors (see below), whose sum is σ = 52446166383600. Its totient is φ = 9244414648320.

The previous prime is 23210210002097. The next prime is 23210210002151. The reversal of 23210210002120 is 2120001201232.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 21431918409444 + 1778291592676 = 4629462^2 + 1333526^2 .

It is a super-2 number, since 2×23210210002120² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23210210002094 and 23210210002103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79837986 + ... + 80128174.

Almost surely, 2^{23210210002120} is an apocalyptic number.

23210210002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23210210002120 is an abundant number, since it is smaller than the sum of its proper divisors (29235956381480).

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

23210210002120 is a wasteful number, since it uses less digits than its factorization.

23210210002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298738 (or 298734 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 23210210002120 its reverse (2120001201232), we get a palindrome (25330211203352).

The spelling of 23210210002120 in words is "twenty-three trillion, two hundred ten billion, two hundred ten million, two thousand, one hundred twenty".