121513134310 has 32 divisors (see below), whose sum is σ = 231678548352. Its totient is φ = 45728578560.

The previous prime is 121513134307. The next prime is 121513134317. The reversal of 121513134310 is 13431315121.

It is a super-2 number, since 2×121513134310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121513134317) 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, 311875 + ... + 583345.

It is an arithmetic number, because the mean of its divisors is an integer number (7239954636).

Almost surely, 2^121513134310 is an apocalyptic number.

121513134310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121513134310 is a deficient number, since it is larger than the sum of its proper divisors (110165414042).

121513134310 is a wasteful number, since it uses less digits than its factorization.

121513134310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274128.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 121513134310 its reverse (13431315121), we get a palindrome (134944449431).

The spelling of 121513134310 in words is "one hundred twenty-one billion, five hundred thirteen million, one hundred thirty-four thousand, three hundred ten".