1321255454300 has 18 divisors (see below), whose sum is σ = 2867124336048. Its totient is φ = 528502181680.

The previous prime is 1321255454263. The next prime is 1321255454327. The reversal of 1321255454300 is 34545521231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6606277172 + ... + 6606277371.

It is an arithmetic number, because the mean of its divisors is an integer number (159284685336).

Almost surely, 2^{1321255454300} is an apocalyptic number.

1321255454300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321255454300 is an abundant number, since it is smaller than the sum of its proper divisors (1545868881748).

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

1321255454300 is a wasteful number, since it uses less digits than its factorization.

1321255454300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13212554557 (or 13212554550 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 1321255454300 in words is "one trillion, three hundred twenty-one billion, two hundred fifty-five million, four hundred fifty-four thousand, three hundred".