122021449489512 has 64 divisors (see below), whose sum is σ = 338973366888000. Its totient is φ = 40670828966592.

The previous prime is 122021449489507. The next prime is 122021449489607. The reversal of 122021449489512 is 215984944120221.

122021449489512 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 2 + 1 + 4 + 49 + 4 + 89 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17798223 + ... + 23681630.

It is an arithmetic number, because the mean of its divisors is an integer number (5296458857625).

Almost surely, 2^{122021449489512} is an apocalyptic number.

122021449489512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122021449489512 is an abundant number, since it is smaller than the sum of its proper divisors (216951917398488).

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

122021449489512 is a wasteful number, since it uses less digits than its factorization.

122021449489512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41493487 (or 41493477 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 122021449489512 in words is "one hundred twenty-two trillion, twenty-one billion, four hundred forty-nine million, four hundred eighty-nine thousand, five hundred twelve".