1232542221415 has 4 divisors (see below), whose sum is σ = 1479050665704. Its totient is φ = 986033777128.

The previous prime is 1232542221397. The next prime is 1232542221433. The reversal of 1232542221415 is 5141222452321.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1232542221397) and next prime (1232542221433).

It is a cyclic number.

It is not a de Polignac number, because 1232542221415 - 2¹⁷ = 1232542090343 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 123254222137 + ... + 123254222146.

It is an arithmetic number, because the mean of its divisors is an integer number (369762666426).

Almost surely, 2^{1232542221415} is an apocalyptic number.

1232542221415 is a deficient number, since it is larger than the sum of its proper divisors (246508444289).

1232542221415 is an equidigital number, since it uses as much as digits as its factorization.

1232542221415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246508444288.

The product of its digits is 38400, while the sum is 34.

Adding to 1232542221415 its reverse (5141222452321), we get a palindrome (6373764673736).

The spelling of 1232542221415 in words is "one trillion, two hundred thirty-two billion, five hundred forty-two million, two hundred twenty-one thousand, four hundred fifteen".