121973337575716 has 135 divisors (see below), whose sum is σ = 240146512058635. Its totient is φ = 54206916662800.

The previous prime is 121973337575699. The next prime is 121973337575731. The reversal of 121973337575716 is 617575733379121.

It is a happy number.

The square root of 121973337575716 is 11044154.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 125616207111 + ... + 125616208081.

Almost surely, 2^{121973337575716} is an apocalyptic number.

121973337575716 is the 11044154-th square number.

It is an amenable number.

121973337575716 is a deficient number, since it is larger than the sum of its proper divisors (118173174482919).

121973337575716 is an frugal number, since it uses more digits than its factorization.

121973337575716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 1031 counting only the distinct ones).

The product of its digits is 175032900, while the sum is 67.

The spelling of 121973337575716 in words is "one hundred twenty-one trillion, nine hundred seventy-three billion, three hundred thirty-seven million, five hundred seventy-five thousand, seven hundred sixteen".