1213235412416 has 14 divisors (see below), whose sum is σ = 2407514021640. Its totient is φ = 606617706176.

The previous prime is 1213235412413. The next prime is 1213235412437. The reversal of 1213235412416 is 6142145323121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213235412413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9478401596 + ... + 9478401723.

It is an arithmetic number, because the mean of its divisors is an integer number (171965287260).

Almost surely, 2^{1213235412416} is an apocalyptic number.

1213235412416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1213235412416 is a deficient number, since it is larger than the sum of its proper divisors (1194278609224).

1213235412416 is an equidigital number, since it uses as much as digits as its factorization.

1213235412416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18956803331 (or 18956803321 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The spelling of 1213235412416 in words is "one trillion, two hundred thirteen billion, two hundred thirty-five million, four hundred twelve thousand, four hundred sixteen".