1215420014232 has 96 divisors (see below), whose sum is σ = 3317904186480. Its totient is φ = 401926348800.

The previous prime is 1215420014197. The next prime is 1215420014299. The reversal of 1215420014232 is 2324100245121.

1215420014232 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 420 + 0 + 1 + 4 + 232 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1215420014196 and 1215420014205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15753783 + ... + 15830745.

Almost surely, 2^{1215420014232} is an apocalyptic number.

1215420014232 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 1215420014232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658952093240).

1215420014232 is an abundant number, since it is smaller than the sum of its proper divisors (2102484172248).

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

1215420014232 is a wasteful number, since it uses less digits than its factorization.

1215420014232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78713 (or 78706 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 1215420014232 its reverse (2324100245121), we get a palindrome (3539520259353).

The spelling of 1215420014232 in words is "one trillion, two hundred fifteen billion, four hundred twenty million, fourteen thousand, two hundred thirty-two".