1232420422515 has 32 divisors (see below), whose sum is σ = 1976102231040. Its totient is φ = 655881457536.

The previous prime is 1232420422489. The next prime is 1232420422523. The reversal of 1232420422515 is 5152240242321.

It is a de Polignac number, because none of the positive numbers 2^k-1232420422515 is a prime.

It is a super-2 number, since 2×1232420422515² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93649506 + ... + 93662664.

It is an arithmetic number, because the mean of its divisors is an integer number (61753194720).

Almost surely, 2^{1232420422515} is an apocalyptic number.

1232420422515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1232420422515 is a deficient number, since it is larger than the sum of its proper divisors (743681808525).

1232420422515 is a wasteful number, since it uses less digits than its factorization.

1232420422515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26083.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 1232420422515 its reverse (5152240242321), we get a palindrome (6384660664836).

The spelling of 1232420422515 in words is "one trillion, two hundred thirty-two billion, four hundred twenty million, four hundred twenty-two thousand, five hundred fifteen".