1229041912 has 48 divisors (see below), whose sum is σ = 2746109520. Its totient is φ = 513878400.

The previous prime is 1229041909. The next prime is 1229041927. The reversal of 1229041912 is 2191409221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22164 + ... + 54307.

It is an arithmetic number, because the mean of its divisors is an integer number (57210615).

Almost surely, 2^1229041912 is an apocalyptic number.

It is an amenable number.

1229041912 is an abundant number, since it is smaller than the sum of its proper divisors (1517067608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1229041912 is a wasteful number, since it uses less digits than its factorization.

1229041912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76532 (or 76521 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1229041912 is about 35057.6940485252. The cubic root of 1229041912 is about 1071.1630036548.

The spelling of 1229041912 in words is "one billion, two hundred twenty-nine million, forty-one thousand, nine hundred twelve".