121942460352 has 28 divisors (see below), whose sum is σ = 322639426856. Its totient is φ = 40647486720.

The previous prime is 121942460303. The next prime is 121942460357. The reversal of 121942460352 is 253064249121.

It is a self number, because there is not a number n which added to its sum of digits gives 121942460352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121942460357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317558299 + ... + 317558682.

Almost surely, 2^121942460352 is an apocalyptic number.

121942460352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121942460352 is an abundant number, since it is smaller than the sum of its proper divisors (200696966504).

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

121942460352 is an equidigital number, since it uses as much as digits as its factorization.

121942460352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635116996 (or 635116986 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 121942460352 in words is "one hundred twenty-one billion, nine hundred forty-two million, four hundred sixty thousand, three hundred fifty-two".