121992796115 has 8 divisors (see below), whose sum is σ = 146394650688. Its totient is φ = 97592040000.

The previous prime is 121992796069. The next prime is 121992796117. The reversal of 121992796115 is 511697299121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121992796115 - 2³⁴ = 104812926931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121992796117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6482 + ... + 493991.

It is an arithmetic number, because the mean of its divisors is an integer number (18299331336).

Almost surely, 2^121992796115 is an apocalyptic number.

121992796115 is a deficient number, since it is larger than the sum of its proper divisors (24401854573).

121992796115 is an equidigital number, since it uses as much as digits as its factorization.

121992796115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549229.

The product of its digits is 612360, while the sum is 53.

The spelling of 121992796115 in words is "one hundred twenty-one billion, nine hundred ninety-two million, seven hundred ninety-six thousand, one hundred fifteen".