121643051116032 has 60 divisors (see below), whose sum is σ = 351070081782420. Its totient is φ = 40547683703808.

The previous prime is 121643051115979. The next prime is 121643051116033. The reversal of 121643051116032 is 230611150346121.

121643051116032 is a `hidden beast` number, since 1 + 2 + 1 + 6 + 4 + 30 + 5 + 1 + 11 + 603 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121643051116033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13199111182 + ... + 13199120397.

It is an arithmetic number, because the mean of its divisors is an integer number (5851168029707).

Almost surely, 2^{121643051116032} is an apocalyptic number.

121643051116032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121643051116032 is an abundant number, since it is smaller than the sum of its proper divisors (229427030666388).

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

121643051116032 is an equidigital number, since it uses as much as digits as its factorization.

121643051116032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26398231603 (or 26398231584 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 121643051116032 in words is "one hundred twenty-one trillion, six hundred forty-three billion, fifty-one million, one hundred sixteen thousand, thirty-two".