1215213550232 has 48 divisors (see below), whose sum is σ = 2505036784320. Its totient is φ = 552250276160.

The previous prime is 1215213550223. The next prime is 1215213550241. The reversal of 1215213550232 is 2320553125121.

It is an interprime number because it is at equal distance from previous prime (1215213550223) and next prime (1215213550241).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4419038 + ... + 4685970.

It is an arithmetic number, because the mean of its divisors is an integer number (52188266340).

Almost surely, 2^{1215213550232} is an apocalyptic number.

It is an amenable number.

1215213550232 is an abundant number, since it is smaller than the sum of its proper divisors (1289823234088).

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

1215213550232 is a wasteful number, since it uses less digits than its factorization.

1215213550232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271664 (or 271649 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 1215213550232 its reverse (2320553125121), we get a palindrome (3535766675353).

The spelling of 1215213550232 in words is "one trillion, two hundred fifteen billion, two hundred thirteen million, five hundred fifty thousand, two hundred thirty-two".