1220345054400 has 168 divisors, whose sum is σ = 4239263647440. Its totient is φ = 306282659840.

The previous prime is 1220345054399. The next prime is 1220345054413. The reversal of 1220345054400 is 44505430221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7396005 + ... + 7559204.

Almost surely, 2^{1220345054400} is an apocalyptic number.

1220345054400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220345054400 is an abundant number, since it is smaller than the sum of its proper divisors (3018918593040).

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

1220345054400 is a wasteful number, since it uses less digits than its factorization.

1220345054400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14955251 (or 14955236 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 1220345054400 in words is "one trillion, two hundred twenty billion, three hundred forty-five million, fifty-four thousand, four hundred".