905002122122 has 32 divisors (see below), whose sum is σ = 1645006942080. Its totient is φ = 364762379520.

The previous prime is 905002122113. The next prime is 905002122127. The reversal of 905002122122 is 221221200509.

It is a junction number, because it is equal to n+sod(n) for n = 905002122091 and 905002122100.

It is not an unprimeable number, because it can be changed into a prime (905002122127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12380579 + ... + 12453462.

It is an arithmetic number, because the mean of its divisors is an integer number (51406466940).

Almost surely, 2^905002122122 is an apocalyptic number.

905002122122 is a deficient number, since it is larger than the sum of its proper divisors (740004819958).

905002122122 is a wasteful number, since it uses less digits than its factorization.

905002122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24834206.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 905002122122 in words is "nine hundred five billion, two million, one hundred twenty-two thousand, one hundred twenty-two".