1252421204214 has 16 divisors (see below), whose sum is σ = 2652186079728. Its totient is φ = 392916456192.

The previous prime is 1252421204213. The next prime is 1252421204239. The reversal of 1252421204214 is 4124021242521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252421204213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6139319527 + ... + 6139319730.

It is an arithmetic number, because the mean of its divisors is an integer number (165761629983).

Almost surely, 2^{1252421204214} is an apocalyptic number.

1252421204214 is an abundant number, since it is smaller than the sum of its proper divisors (1399764875514).

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

1252421204214 is a wasteful number, since it uses less digits than its factorization.

1252421204214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12278639279.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 1252421204214 its reverse (4124021242521), we get a palindrome (5376442446735).

The spelling of 1252421204214 in words is "one trillion, two hundred fifty-two billion, four hundred twenty-one million, two hundred four thousand, two hundred fourteen".