121136434362 has 64 divisors (see below), whose sum is σ = 281127813120. Its totient is φ = 38591348400.

The previous prime is 121136434357. The next prime is 121136434381. The reversal of 121136434362 is 263434631121.

121136434362 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 3 + 643 + 4 + 3 + 6 + 2 = 666.

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, 1489287 + ... + 1568517.

It is an arithmetic number, because the mean of its divisors is an integer number (4392622080).

Almost surely, 2^121136434362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121136434362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140563906560).

121136434362 is an abundant number, since it is smaller than the sum of its proper divisors (159991378758).

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

121136434362 is a wasteful number, since it uses less digits than its factorization.

121136434362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80496 (or 80490 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The spelling of 121136434362 in words is "one hundred twenty-one billion, one hundred thirty-six million, four hundred thirty-four thousand, three hundred sixty-two".