83121122265470 has 16 divisors (see below), whose sum is σ = 149627370907728. Its totient is φ = 33246370944000.

The previous prime is 83121122265463. The next prime is 83121122265479. The reversal of 83121122265470 is 7456222112138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83121122265479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259577264 + ... + 259897283.

It is an arithmetic number, because the mean of its divisors is an integer number (9351710681733).

Almost surely, 2^{83121122265470} is an apocalyptic number.

83121122265470 is a deficient number, since it is larger than the sum of its proper divisors (66506248642258).

83121122265470 is a wasteful number, since it uses less digits than its factorization.

83121122265470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519490555.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 83121122265470 in words is "eighty-three trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred sixty-five thousand, four hundred seventy".