1215445345332 has 48 divisors (see below), whose sum is σ = 2890081035072. Its totient is φ = 397430991360.

The previous prime is 1215445345313. The next prime is 1215445345349. The reversal of 1215445345332 is 2335435445121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3338283 + ... + 3684429.

It is an arithmetic number, because the mean of its divisors is an integer number (60210021564).

Almost surely, 2^{1215445345332} is an apocalyptic number.

1215445345332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1215445345332 is an abundant number, since it is smaller than the sum of its proper divisors (1674635689740).

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

1215445345332 is a wasteful number, since it uses less digits than its factorization.

1215445345332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351728 (or 351726 counting only the distinct ones).

The product of its digits is 864000, while the sum is 42.

The spelling of 1215445345332 in words is "one trillion, two hundred fifteen billion, four hundred forty-five million, three hundred forty-five thousand, three hundred thirty-two".