1431212132402 has 32 divisors (see below), whose sum is σ = 2361437390592. Its totient is φ = 646425932544.

The previous prime is 1431212132401. The next prime is 1431212132411. The reversal of 1431212132402 is 2042312121341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1431212132401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10572698 + ... + 10707210.

It is an arithmetic number, because the mean of its divisors is an integer number (73794918456).

Almost surely, 2^{1431212132402} is an apocalyptic number.

1431212132402 is a deficient number, since it is larger than the sum of its proper divisors (930225258190).

1431212132402 is a wasteful number, since it uses less digits than its factorization.

1431212132402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143282.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1431212132402 its reverse (2042312121341), we get a palindrome (3473524253743).

The spelling of 1431212132402 in words is "one trillion, four hundred thirty-one billion, two hundred twelve million, one hundred thirty-two thousand, four hundred two".