1229707159188 has 12 divisors (see below), whose sum is σ = 2869316704800. Its totient is φ = 409902386392.

The previous prime is 1229707159183. The next prime is 1229707159231. The reversal of 1229707159188 is 8819517079221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229707159183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51237798288 + ... + 51237798311.

It is an arithmetic number, because the mean of its divisors is an integer number (239109725400).

Almost surely, 2^{1229707159188} is an apocalyptic number.

It is an amenable number.

1229707159188 is an abundant number, since it is smaller than the sum of its proper divisors (1639609545612).

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

1229707159188 is a wasteful number, since it uses less digits than its factorization.

1229707159188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102475596606 (or 102475596604 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 60.

The spelling of 1229707159188 in words is "one trillion, two hundred twenty-nine billion, seven hundred seven million, one hundred fifty-nine thousand, one hundred eighty-eight".