1220015299032 has 160 divisors (see below), whose sum is σ = 3597860851200. Its totient is φ = 385178328000.

The previous prime is 1220015299003. The next prime is 1220015299033. The reversal of 1220015299032 is 2309925100221.

1220015299032 is a `hidden beast` number, since 12 + 2 + 0 + 0 + 1 + 529 + 90 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220015299033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70305157 + ... + 70322507.

It is an arithmetic number, because the mean of its divisors is an integer number (22486630320).

Almost surely, 2^{1220015299032} is an apocalyptic number.

1220015299032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220015299032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1798930425600).

1220015299032 is an abundant number, since it is smaller than the sum of its proper divisors (2377845552168).

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

1220015299032 is a wasteful number, since it uses less digits than its factorization.

1220015299032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23099 (or 23086 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 1220015299032 in words is "one trillion, two hundred twenty billion, fifteen million, two hundred ninety-nine thousand, thirty-two".