1215469700120 has 256 divisors, whose sum is σ = 3232438272000. Its totient is φ = 407262836736.

The previous prime is 1215469700113. The next prime is 1215469700143. The reversal of 1215469700120 is 210079645121.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36371339 + ... + 36404741.

It is an arithmetic number, because the mean of its divisors is an integer number (12626712000).

Almost surely, 2^{1215469700120} is an apocalyptic number.

1215469700120 is a gapful number since it is divisible by the number (10) 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 1215469700120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616219136000).

1215469700120 is an abundant number, since it is smaller than the sum of its proper divisors (2016968571880).

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

1215469700120 is a wasteful number, since it uses less digits than its factorization.

1215469700120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33602 (or 33598 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 1215469700120 in words is "one trillion, two hundred fifteen billion, four hundred sixty-nine million, seven hundred thousand, one hundred twenty".