1252421341324 has 24 divisors (see below), whose sum is σ = 2193512883408. Its totient is φ = 625703531520.

The previous prime is 1252421341313. The next prime is 1252421341337. The reversal of 1252421341324 is 4231431242521.

It is a super-3 number, since 3×1252421341324³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1252421341324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39767664 + ... + 39799144.

It is an arithmetic number, because the mean of its divisors is an integer number (91396370142).

Almost surely, 2^{1252421341324} is an apocalyptic number.

It is an amenable number.

1252421341324 is a deficient number, since it is larger than the sum of its proper divisors (941091542084).

1252421341324 is a wasteful number, since it uses less digits than its factorization.

1252421341324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39225 (or 39223 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

Adding to 1252421341324 its reverse (4231431242521), we get a palindrome (5483852583845).

The spelling of 1252421341324 in words is "one trillion, two hundred fifty-two billion, four hundred twenty-one million, three hundred forty-one thousand, three hundred twenty-four".