121242552360 has 64 divisors (see below), whose sum is σ = 379541911680. Its totient is φ = 30925635840.

The previous prime is 121242552349. The next prime is 121242552371. The reversal of 121242552360 is 63255242121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121242552349) and next prime (121242552371).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21961471 + ... + 21966990.

It is an arithmetic number, because the mean of its divisors is an integer number (5930342370).

Almost surely, 2^121242552360 is an apocalyptic number.

121242552360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121242552360 is an abundant number, since it is smaller than the sum of its proper divisors (258299359320).

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

121242552360 is a wasteful number, since it uses less digits than its factorization.

121242552360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43928498 (or 43928494 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 121242552360 its reverse (63255242121), we get a palindrome (184497794481).

The spelling of 121242552360 in words is "one hundred twenty-one billion, two hundred forty-two million, five hundred fifty-two thousand, three hundred sixty".