121465663613 has 8 divisors (see below), whose sum is σ = 139413688128. Its totient is φ = 103666585824.

The previous prime is 121465663609. The next prime is 121465663619. The reversal of 121465663613 is 316366564121.

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

It is a cyclic number.

It is not a de Polignac number, because 121465663613 - 2² = 121465663609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121465663619) 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, 37234931 + ... + 37238192.

It is an arithmetic number, because the mean of its divisors is an integer number (17426711016).

Almost surely, 2^121465663613 is an apocalyptic number.

It is an amenable number.

121465663613 is a deficient number, since it is larger than the sum of its proper divisors (17948024515).

121465663613 is an equidigital number, since it uses as much as digits as its factorization.

121465663613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74473363.

The product of its digits is 466560, while the sum is 44.

The spelling of 121465663613 in words is "one hundred twenty-one billion, four hundred sixty-five million, six hundred sixty-three thousand, six hundred thirteen".