122003431136 has 12 divisors (see below), whose sum is σ = 240194255112. Its totient is φ = 61001715552.

The previous prime is 122003431087. The next prime is 122003431139. The reversal of 122003431136 is 631134300221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122003431139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906303580 + ... + 1906303643.

It is an arithmetic number, because the mean of its divisors is an integer number (20016187926).

Almost surely, 2^122003431136 is an apocalyptic number.

122003431136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122003431136 is a deficient number, since it is larger than the sum of its proper divisors (118190823976).

122003431136 is an equidigital number, since it uses as much as digits as its factorization.

122003431136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812607233 (or 3812607225 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 122003431136 its reverse (631134300221), we get a palindrome (753137731357).

The spelling of 122003431136 in words is "one hundred twenty-two billion, three million, four hundred thirty-one thousand, one hundred thirty-six".