121352462020 has 24 divisors (see below), whose sum is σ = 254851279704. Its totient is φ = 48538868736.

The previous prime is 121352462017. The next prime is 121352462041. The reversal of 121352462020 is 20264253121.

It can be written as a sum of positive squares in 4 ways, for example, as 15253732036 + 106098729984 = 123506^2 + 325728^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121352462020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387892 + ... + 627028.

It is an arithmetic number, because the mean of its divisors is an integer number (10618803321).

Almost surely, 2^121352462020 is an apocalyptic number.

121352462020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121352462020 is an abundant number, since it is smaller than the sum of its proper divisors (133498817684).

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

121352462020 is a wasteful number, since it uses less digits than its factorization.

121352462020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264519 (or 264517 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 121352462020 in words is "one hundred twenty-one billion, three hundred fifty-two million, four hundred sixty-two thousand, twenty".