1500215612112 has 240 divisors, whose sum is σ = 5035886039808. Its totient is φ = 407625799680.

The previous prime is 1500215612083. The next prime is 1500215612143. The reversal of 1500215612112 is 2112165120051.

It is a happy number.

1500215612112 is a `hidden beast` number, since 1 + 50 + 0 + 21 + 561 + 21 + 12 = 666.

It is a super-2 number, since 2×1500215612112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3823812 + ... + 4197852.

Almost surely, 2^{1500215612112} is an apocalyptic number.

1500215612112 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 1500215612112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2517943019904).

1500215612112 is an abundant number, since it is smaller than the sum of its proper divisors (3535670427696).

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

1500215612112 is a wasteful number, since it uses less digits than its factorization.

1500215612112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374258 (or 374249 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The spelling of 1500215612112 in words is "one trillion, five hundred billion, two hundred fifteen million, six hundred twelve thousand, one hundred twelve".