1144312212402 has 24 divisors (see below), whose sum is σ = 2502089398380. Its totient is φ = 377937977760.

The previous prime is 1144312212397. The next prime is 1144312212409. The reversal of 1144312212402 is 2042122134411.

1144312212402 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 31 + 221 + 2 + 402 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1076155189641 + 68157022761 = 1037379^2 + 261069^2 .

It is not an unprimeable number, because it can be changed into a prime (1144312212409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291616849 + ... + 291620772.

Almost surely, 2^{1144312212402} is an apocalyptic number.

1144312212402 is an abundant number, since it is smaller than the sum of its proper divisors (1357777185978).

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

1144312212402 is a wasteful number, since it uses less digits than its factorization.

1144312212402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583237738 (or 583237735 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1144312212402 its reverse (2042122134411), we get a palindrome (3186434346813).

The spelling of 1144312212402 in words is "one trillion, one hundred forty-four billion, three hundred twelve million, two hundred twelve thousand, four hundred two".