1215325122000 has 640 divisors, whose sum is σ = 4337541950976. Its totient is φ = 290304000000.

The previous prime is 1215325121981. The next prime is 1215325122029. The reversal of 1215325122000 is 2215235121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2246441730 + ... + 2246442270.

Almost surely, 2^{1215325122000} is an apocalyptic number.

1215325122000 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 1215325122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2168770975488).

1215325122000 is an abundant number, since it is smaller than the sum of its proper divisors (3122216828976).

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

1215325122000 is a wasteful number, since it uses less digits than its factorization.

1215325122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 1215325122000 in words is "one trillion, two hundred fifteen billion, three hundred twenty-five million, one hundred twenty-two thousand".