30120010023100 has 36 divisors (see below), whose sum is σ = 65404317588400. Its totient is φ = 12039912610560.

The previous prime is 30120010023097. The next prime is 30120010023101. The reversal of 30120010023100 is 132001002103.

It is a super-2 number, since 2×30120010023100² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120010023101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100992840 + ... + 101290639.

Almost surely, 2^{30120010023100} is an apocalyptic number.

It is an amenable number.

30120010023100 is an abundant number, since it is smaller than the sum of its proper divisors (35284307565300).

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

30120010023100 is a wasteful number, since it uses less digits than its factorization.

30120010023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202284982 (or 202284975 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30120010023100 its reverse (132001002103), we get a palindrome (30252011025203).

The spelling of 30120010023100 in words is "thirty trillion, one hundred twenty billion, ten million, twenty-three thousand, one hundred".