1294450320252 has 12 divisors (see below), whose sum is σ = 3020384080616. Its totient is φ = 431483440080.

The previous prime is 1294450320203. The next prime is 1294450320257. The reversal of 1294450320252 is 2520230544921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1294450320252² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1294450320252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294450320257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53935429999 + ... + 53935430022.

Almost surely, 2^{1294450320252} is an apocalyptic number.

1294450320252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1294450320252 is an abundant number, since it is smaller than the sum of its proper divisors (1725933760364).

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

1294450320252 is a wasteful number, since it uses less digits than its factorization.

1294450320252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107870860028 (or 107870860026 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 1294450320252 in words is "one trillion, two hundred ninety-four billion, four hundred fifty million, three hundred twenty thousand, two hundred fifty-two".