2451212334720 has 96 divisors (see below), whose sum is σ = 8464342613220. Its totient is φ = 653656621056.

The previous prime is 2451212334719. The next prime is 2451212334749. The reversal of 2451212334720 is 274332121542.

2451212334720 is a `hidden beast` number, since 2 + 45 + 1 + 212 + 334 + 72 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2368668746304 + 82543588416 = 1539048^2 + 287304^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212773089 + ... + 212784608.

Almost surely, 2^{2451212334720} is an apocalyptic number.

2451212334720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451212334720 is an abundant number, since it is smaller than the sum of its proper divisors (6013130278500).

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

2451212334720 is a wasteful number, since it uses less digits than its factorization.

2451212334720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425557722 (or 425557707 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 2451212334720 in words is "two trillion, four hundred fifty-one billion, two hundred twelve million, three hundred thirty-four thousand, seven hundred twenty".