1215244297338 has 16 divisors (see below), whose sum is σ = 2431324136160. Its totient is φ = 404942175536.

The previous prime is 1215244297261. The next prime is 1215244297387. The reversal of 1215244297338 is 8337924425121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34795320 + ... + 34830227.

It is an arithmetic number, because the mean of its divisors is an integer number (151957758510).

Almost surely, 2^{1215244297338} is an apocalyptic number.

1215244297338 is an abundant number, since it is smaller than the sum of its proper divisors (1216079838822).

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

1215244297338 is a wasteful number, since it uses less digits than its factorization.

1215244297338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69628461.

The product of its digits is 2903040, while the sum is 51.

The spelling of 1215244297338 in words is "one trillion, two hundred fifteen billion, two hundred forty-four million, two hundred ninety-seven thousand, three hundred thirty-eight".