1201342143402 has 48 divisors (see below), whose sum is σ = 2773574591112. Its totient is φ = 374491054080.

The previous prime is 1201342143311. The next prime is 1201342143427. The reversal of 1201342143402 is 2043412431021.

1201342143402 is a `hidden beast` number, since 1 + 201 + 3 + 4 + 21 + 434 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 745340415561 + 456001727841 = 863331^2 + 675279^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12454999 + ... + 12551082.

Almost surely, 2^{1201342143402} is an apocalyptic number.

1201342143402 is an abundant number, since it is smaller than the sum of its proper divisors (1572232447710).

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

1201342143402 is a wasteful number, since it uses less digits than its factorization.

1201342143402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25006263 (or 25006260 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1201342143402 its reverse (2043412431021), we get a palindrome (3244754574423).

The spelling of 1201342143402 in words is "one trillion, two hundred one billion, three hundred forty-two million, one hundred forty-three thousand, four hundred two".