20113212123130 has 32 divisors (see below), whose sum is σ = 43809618341376. Its totient is φ = 6490313827584.

The previous prime is 20113212123101. The next prime is 20113212123131. The reversal of 20113212123130 is 3132121231102.

It is not an unprimeable number, because it can be changed into a prime (20113212123131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8450928274 + ... + 8450930653.

It is an arithmetic number, because the mean of its divisors is an integer number (1369050573168).

Almost surely, 2^{20113212123130} is an apocalyptic number.

20113212123130 is an abundant number, since it is smaller than the sum of its proper divisors (23696406218246).

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

20113212123130 is a wasteful number, since it uses less digits than its factorization.

20113212123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16901858958.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20113212123130 its reverse (3132121231102), we get a palindrome (23245333354232).

The spelling of 20113212123130 in words is "twenty trillion, one hundred thirteen billion, two hundred twelve million, one hundred twenty-three thousand, one hundred thirty".