121355162652 has 12 divisors (see below), whose sum is σ = 283162046216. Its totient is φ = 40451720880.

The previous prime is 121355162629. The next prime is 121355162681. The reversal of 121355162652 is 256261553121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 121355162652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5056465099 + ... + 5056465122.

Almost surely, 2^121355162652 is an apocalyptic number.

121355162652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121355162652 is an abundant number, since it is smaller than the sum of its proper divisors (161806883564).

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

121355162652 is a wasteful number, since it uses less digits than its factorization.

121355162652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10112930228 (or 10112930226 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The spelling of 121355162652 in words is "one hundred twenty-one billion, three hundred fifty-five million, one hundred sixty-two thousand, six hundred fifty-two".