1215412000523 has 16 divisors (see below), whose sum is σ = 1422698340096. Its totient is φ = 1016585791200.

The previous prime is 1215412000463. The next prime is 1215412000577. The reversal of 1215412000523 is 3250002145121.

It is not a de Polignac number, because 1215412000523 - 2²⁴ = 1215395223307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1215412000492 and 1215412000501.

It is not an unprimeable number, because it can be changed into a prime (1215412008523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1604636 + ... + 2237337.

It is an arithmetic number, because the mean of its divisors is an integer number (88918646256).

Almost surely, 2^{1215412000523} is an apocalyptic number.

1215412000523 is a deficient number, since it is larger than the sum of its proper divisors (207286339573).

1215412000523 is a wasteful number, since it uses less digits than its factorization.

1215412000523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843074.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1215412000523 its reverse (3250002145121), we get a palindrome (4465414145644).

The spelling of 1215412000523 in words is "one trillion, two hundred fifteen billion, four hundred twelve million, five hundred twenty-three", and thus it is an aban number.