122906476783898 has 16 divisors (see below), whose sum is σ = 199357689504384. Its totient is φ = 56607738993600.

The previous prime is 122906476783843. The next prime is 122906476783901. The reversal of 122906476783898 is 898387674609221.

It is a super-2 number, since 2×122906476783898² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38456342828 + ... + 38456346023.

It is an arithmetic number, because the mean of its divisors is an integer number (12459855594024).

Almost surely, 2^{122906476783898} is an apocalyptic number.

122906476783898 is a deficient number, since it is larger than the sum of its proper divisors (76451212720486).

122906476783898 is a wasteful number, since it uses less digits than its factorization.

122906476783898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76912688917.

The product of its (nonzero) digits is 3511517184, while the sum is 80.

The spelling of 122906476783898 in words is "one hundred twenty-two trillion, nine hundred six billion, four hundred seventy-six million, seven hundred eighty-three thousand, eight hundred ninety-eight".