1232121215503 has 8 divisors (see below), whose sum is σ = 1311154711200. Its totient is φ = 1153816139520.

The previous prime is 1232121215497. The next prime is 1232121215531. The reversal of 1232121215503 is 3055121212321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1232121215503 - 2⁵ = 1232121215471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232121215603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182101438 + ... + 182108203.

It is an arithmetic number, because the mean of its divisors is an integer number (163894338900).

Almost surely, 2^{1232121215503} is an apocalyptic number.

1232121215503 is a deficient number, since it is larger than the sum of its proper divisors (79033495697).

1232121215503 is a wasteful number, since it uses less digits than its factorization.

1232121215503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364209857.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 1232121215503 its reverse (3055121212321), we get a palindrome (4287242427824).

The spelling of 1232121215503 in words is "one trillion, two hundred thirty-two billion, one hundred twenty-one million, two hundred fifteen thousand, five hundred three".