121740249120 has 192 divisors, whose sum is σ = 447209683200. Its totient is φ = 27826305024.

The previous prime is 121740249083. The next prime is 121740249133. The reversal of 121740249120 is 21942047121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205077 + ... + 534356.

It is an arithmetic number, because the mean of its divisors is an integer number (2329217100).

Almost surely, 2^121740249120 is an apocalyptic number.

121740249120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121740249120 is an abundant number, since it is smaller than the sum of its proper divisors (325469434080).

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

121740249120 is an equidigital number, since it uses as much as digits as its factorization.

121740249120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739472 (or 739450 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 121740249120 in words is "one hundred twenty-one billion, seven hundred forty million, two hundred forty-nine thousand, one hundred twenty".