121310122013010 has 96 divisors (see below), whose sum is σ = 363654312877440. Its totient is φ = 27482647094784.

The previous prime is 121310122012993. The next prime is 121310122013011. The reversal of 121310122013010 is 10310221013121.

121310122013010 is a `hidden beast` number, since 1 + 2 + 1 + 310 + 1 + 220 + 130 + 1 + 0 = 666.

It is a super-2 number, since 2×121310122013010² (a number of 29 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (121310122013011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 851945400 + ... + 852087779.

It is an arithmetic number, because the mean of its divisors is an integer number (3788065759140).

Almost surely, 2^{121310122013010} is an apocalyptic number.

121310122013010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121310122013010 is an abundant number, since it is smaller than the sum of its proper divisors (242344190864430).

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

121310122013010 is a wasteful number, since it uses less digits than its factorization.

121310122013010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704033312 (or 1704033309 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 121310122013010 its reverse (10310221013121), we get a palindrome (131620343026131).

The spelling of 121310122013010 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred twenty-two million, thirteen thousand, ten".