1213555332354 has 8 divisors (see below), whose sum is σ = 2427110664720. Its totient is φ = 404518444116.

The previous prime is 1213555332323. The next prime is 1213555332449. The reversal of 1213555332354 is 4532335553121.

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

1213555332354 is an admirable 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, 101129611024 + ... + 101129611035.

It is an arithmetic number, because the mean of its divisors is an integer number (303388833090).

Almost surely, 2^{1213555332354} is an apocalyptic number.

1213555332354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1213555332354 is a wasteful number, since it uses less digits than its factorization.

1213555332354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202259222064.

The product of its digits is 810000, while the sum is 42.

The spelling of 1213555332354 in words is "one trillion, two hundred thirteen billion, five hundred fifty-five million, three hundred thirty-two thousand, three hundred fifty-four".