121646134422 has 64 divisors (see below), whose sum is σ = 292316221440. Its totient is φ = 37351490688.

The previous prime is 121646134403. The next prime is 121646134457. The reversal of 121646134422 is 224431646121.

121646134422 is a `hidden beast` number, since 1 + 2 + 1 + 646 + 1 + 3 + 4 + 4 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1366558 + ... + 1452849.

It is an arithmetic number, because the mean of its divisors is an integer number (4567440960).

Almost surely, 2^121646134422 is an apocalyptic number.

121646134422 is an abundant number, since it is smaller than the sum of its proper divisors (170670087018).

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

121646134422 is a wasteful number, since it uses less digits than its factorization.

121646134422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819482 (or 2819476 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The spelling of 121646134422 in words is "one hundred twenty-one billion, six hundred forty-six million, one hundred thirty-four thousand, four hundred twenty-two".