1215441211532 has 12 divisors (see below), whose sum is σ = 2128211077440. Its totient is φ = 607380903696.

The previous prime is 1215441211511. The next prime is 1215441211553. The reversal of 1215441211532 is 2351121445121.

It is an interprime number because it is at equal distance from previous prime (1215441211511) and next prime (1215441211553).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84917468 + ... + 84931779.

It is an arithmetic number, because the mean of its divisors is an integer number (177350923120).

Almost surely, 2^{1215441211532} is an apocalyptic number.

It is an amenable number.

1215441211532 is a deficient number, since it is larger than the sum of its proper divisors (912769865908).

1215441211532 is a wasteful number, since it uses less digits than its factorization.

1215441211532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169851040 (or 169851038 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

Adding to 1215441211532 its reverse (2351121445121), we get a palindrome (3566562656653).

The spelling of 1215441211532 in words is "one trillion, two hundred fifteen billion, four hundred forty-one million, two hundred eleven thousand, five hundred thirty-two".