121713267494 has 64 divisors (see below), whose sum is σ = 226749465600. Its totient is φ = 47713131648.

The previous prime is 121713267491. The next prime is 121713267499. The reversal of 121713267494 is 494762317121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121713267491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10823927 + ... + 10835165.

It is an arithmetic number, because the mean of its divisors is an integer number (3542960400).

Almost surely, 2^121713267494 is an apocalyptic number.

121713267494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121713267494 is a deficient number, since it is larger than the sum of its proper divisors (105036198106).

121713267494 is a wasteful number, since it uses less digits than its factorization.

121713267494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11797.

The product of its digits is 508032, while the sum is 47.

The spelling of 121713267494 in words is "one hundred twenty-one billion, seven hundred thirteen million, two hundred sixty-seven thousand, four hundred ninety-four".