121614327552 has 72 divisors (see below), whose sum is σ = 323811616464. Its totient is φ = 40520556544.

The previous prime is 121614327533. The next prime is 121614327559. The reversal of 121614327552 is 255723416121.

It is a self number, because there is not a number n which added to its sum of digits gives 121614327552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121614327559) 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, 1804738 + ... + 1870910.

It is an arithmetic number, because the mean of its divisors is an integer number (4497383562).

Almost surely, 2^121614327552 is an apocalyptic number.

121614327552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121614327552 is an abundant number, since it is smaller than the sum of its proper divisors (202197288912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121614327552 is an equidigital number, since it uses as much as digits as its factorization.

121614327552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68585 (or 68571 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The spelling of 121614327552 in words is "one hundred twenty-one billion, six hundred fourteen million, three hundred twenty-seven thousand, five hundred fifty-two".