1228455037232 has 10 divisors (see below), whose sum is σ = 2380131634668. Its totient is φ = 614227518608.

The previous prime is 1228455037231. The next prime is 1228455037367. The reversal of 1228455037232 is 2327305548221.

It is not an unprimeable number, because it can be changed into a prime (1228455037231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38389219898 + ... + 38389219929.

Almost surely, 2^{1228455037232} is an apocalyptic number.

It is an amenable number.

1228455037232 is a deficient number, since it is larger than the sum of its proper divisors (1151676597436).

1228455037232 is an equidigital number, since it uses as much as digits as its factorization.

1228455037232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76778439835 (or 76778439829 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 1228455037232 in words is "one trillion, two hundred twenty-eight billion, four hundred fifty-five million, thirty-seven thousand, two hundred thirty-two".