1421204132252 has 12 divisors (see below), whose sum is σ = 2487825450096. Its totient is φ = 710396860800.

The previous prime is 1421204132251. The next prime is 1421204132273. The reversal of 1421204132252 is 2522314021241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421204132251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51285749 + ... + 51313452.

It is an arithmetic number, because the mean of its divisors is an integer number (207318787508).

Almost surely, 2^{1421204132252} is an apocalyptic number.

It is an amenable number.

1421204132252 is a deficient number, since it is larger than the sum of its proper divisors (1066621317844).

1421204132252 is a wasteful number, since it uses less digits than its factorization.

1421204132252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102602668 (or 102602666 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 1421204132252 its reverse (2522314021241), we get a palindrome (3943518153493).

The spelling of 1421204132252 in words is "one trillion, four hundred twenty-one billion, two hundred four million, one hundred thirty-two thousand, two hundred fifty-two".