1245633724572 has 48 divisors (see below), whose sum is σ = 2921320442880. Its totient is φ = 413093546752.

The previous prime is 1245633724571. The next prime is 1245633724589. The reversal of 1245633724572 is 2754273365421.

It is a super-2 number, since 2×1245633724572² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245633724571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3760948 + ... + 4078724.

It is an arithmetic number, because the mean of its divisors is an integer number (60860842560).

Almost surely, 2^{1245633724572} is an apocalyptic number.

1245633724572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245633724572 is an abundant number, since it is smaller than the sum of its proper divisors (1675686718308).

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

1245633724572 is a wasteful number, since it uses less digits than its factorization.

1245633724572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319450 (or 319448 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 51.

The spelling of 1245633724572 in words is "one trillion, two hundred forty-five billion, six hundred thirty-three million, seven hundred twenty-four thousand, five hundred seventy-two".