83121141342426 has 128 divisors (see below), whose sum is σ = 189648861511680. Its totient is φ = 24041078054400.

The previous prime is 83121141342397. The next prime is 83121141342451. The reversal of 83121141342426 is 62424314112138.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7078350711 + ... + 7078362453.

It is an arithmetic number, because the mean of its divisors is an integer number (1481631730560).

Almost surely, 2^{83121141342426} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83121141342426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94824430755840).

83121141342426 is an abundant number, since it is smaller than the sum of its proper divisors (106527720169254).

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

83121141342426 is a wasteful number, since it uses less digits than its factorization.

83121141342426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21452.

The product of its digits is 221184, while the sum is 42.

The spelling of 83121141342426 in words is "eighty-three trillion, one hundred twenty-one billion, one hundred forty-one million, three hundred forty-two thousand, four hundred twenty-six".