30121106365700 has 72 divisors (see below), whose sum is σ = 74860302508992. Its totient is φ = 10305122359680.

The previous prime is 30121106365699. The next prime is 30121106365703. The reversal of 30121106365700 is 756360112103.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (30121106365703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45743927 + ... + 46397726.

It is an arithmetic number, because the mean of its divisors is an integer number (1039726423736).

Almost surely, 2^{30121106365700} is an apocalyptic number.

It is an amenable number.

30121106365700 is an abundant number, since it is smaller than the sum of its proper divisors (44739196143292).

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

30121106365700 is a wasteful number, since it uses less digits than its factorization.

30121106365700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92142141 (or 92142134 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

Adding to 30121106365700 its reverse (756360112103), we get a palindrome (30877466477803).

The spelling of 30121106365700 in words is "thirty trillion, one hundred twenty-one billion, one hundred six million, three hundred sixty-five thousand, seven hundred".