121546035620 has 12 divisors (see below), whose sum is σ = 255246674844. Its totient is φ = 48618414240.

The previous prime is 121546035557. The next prime is 121546035659. The reversal of 121546035620 is 26530645121.

It can be written as a sum of positive squares in 2 ways, for example, as 43553185636 + 77992849984 = 208694^2 + 279272^2 .

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 3 ways as a sum of consecutive naturals, for example, 3038650871 + ... + 3038650910.

It is an arithmetic number, because the mean of its divisors is an integer number (21270556237).

Almost surely, 2^121546035620 is an apocalyptic number.

121546035620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121546035620 is an abundant number, since it is smaller than the sum of its proper divisors (133700639224).

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

121546035620 is a wasteful number, since it uses less digits than its factorization.

121546035620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077301790 (or 6077301788 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 121546035620 in words is "one hundred twenty-one billion, five hundred forty-six million, thirty-five thousand, six hundred twenty".