1212409080624 has 160 divisors (see below), whose sum is σ = 3758917985280. Its totient is φ = 329230826496.

The previous prime is 1212409080613. The next prime is 1212409080629. The reversal of 1212409080624 is 4260809042121.

It is not an unprimeable number, because it can be changed into a prime (1212409080629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 713662 + ... + 1712930.

It is an arithmetic number, because the mean of its divisors is an integer number (23493237408).

Almost surely, 2^{1212409080624} is an apocalyptic number.

1212409080624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212409080624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1879458992640).

1212409080624 is an abundant number, since it is smaller than the sum of its proper divisors (2546508904656).

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

1212409080624 is a wasteful number, since it uses less digits than its factorization.

1212409080624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999467 (or 999461 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 1212409080624 in words is "one trillion, two hundred twelve billion, four hundred nine million, eighty thousand, six hundred twenty-four".