121332252664 has 32 divisors (see below), whose sum is σ = 267024653280. Its totient is φ = 50594143104.

The previous prime is 121332252619. The next prime is 121332252737. The reversal of 121332252664 is 466252233121.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29276947 + ... + 29281090.

It is an arithmetic number, because the mean of its divisors is an integer number (8344520415).

Almost surely, 2^121332252664 is an apocalyptic number.

121332252664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121332252664 is an abundant number, since it is smaller than the sum of its proper divisors (145692400616).

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

121332252664 is a wasteful number, since it uses less digits than its factorization.

121332252664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58558087 (or 58558083 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

Adding to 121332252664 its reverse (466252233121), we get a palindrome (587584485785).

The spelling of 121332252664 in words is "one hundred twenty-one billion, three hundred thirty-two million, two hundred fifty-two thousand, six hundred sixty-four".