1215410024142 has 24 divisors (see below), whose sum is σ = 2634478007616. Its totient is φ = 404969040576.

The previous prime is 1215410024099. The next prime is 1215410024149. The reversal of 1215410024142 is 2414200145121.

1215410024142 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 410 + 0 + 241 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215410024149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13924798 + ... + 14011809.

It is an arithmetic number, because the mean of its divisors is an integer number (109769916984).

Almost surely, 2^{1215410024142} is an apocalyptic number.

1215410024142 is an abundant number, since it is smaller than the sum of its proper divisors (1419067983474).

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

1215410024142 is a wasteful number, since it uses less digits than its factorization.

1215410024142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27939032 (or 27939029 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 1215410024142 its reverse (2414200145121), we get a palindrome (3629610169263).

The spelling of 1215410024142 in words is "one trillion, two hundred fifteen billion, four hundred ten million, twenty-four thousand, one hundred forty-two".