1421242201432 has 16 divisors (see below), whose sum is σ = 2805083292600. Its totient is φ = 673219990080.

The previous prime is 1421242201403. The next prime is 1421242201433. The reversal of 1421242201432 is 2341022421241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421242201432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421242201433) 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, 4675138669 + ... + 4675138972.

Almost surely, 2^{1421242201432} is an apocalyptic number.

It is an amenable number.

1421242201432 is a deficient number, since it is larger than the sum of its proper divisors (1383841091168).

1421242201432 is a wasteful number, since it uses less digits than its factorization.

1421242201432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9350277666 (or 9350277662 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1421242201432 its reverse (2341022421241), we get a palindrome (3762264622673).

The spelling of 1421242201432 in words is "one trillion, four hundred twenty-one billion, two hundred forty-two million, two hundred one thousand, four hundred thirty-two".