122257912370 has 24 divisors (see below), whose sum is σ = 241888797612. Its totient is φ = 44457422240.

The previous prime is 122257912201. The next prime is 122257912391. The reversal of 122257912370 is 73219752221.

It can be written as a sum of positive squares in 2 ways, for example, as 108298253569 + 13959658801 = 329087^2 + 118151^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50518589 + ... + 50521008.

Almost surely, 2^122257912370 is an apocalyptic number.

122257912370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122257912370 is a deficient number, since it is larger than the sum of its proper divisors (119630885242).

122257912370 is a wasteful number, since it uses less digits than its factorization.

122257912370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101039626 (or 101039615 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 122257912370 in words is "one hundred twenty-two billion, two hundred fifty-seven million, nine hundred twelve thousand, three hundred seventy".