1201134323402 has 16 divisors (see below), whose sum is σ = 1941023726880. Its totient is φ = 554161167792.

The previous prime is 1201134323401. The next prime is 1201134323423. The reversal of 1201134323402 is 2043234311021.

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 (1201134323401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8617868 + ... + 8756135.

It is an arithmetic number, because the mean of its divisors is an integer number (121313982930).

Almost surely, 2^{1201134323402} is an apocalyptic number.

1201134323402 is a deficient number, since it is larger than the sum of its proper divisors (739889403478).

1201134323402 is a wasteful number, since it uses less digits than its factorization.

1201134323402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17376677.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1201134323402 its reverse (2043234311021), we get a palindrome (3244368634423).

The spelling of 1201134323402 in words is "one trillion, two hundred one billion, one hundred thirty-four million, three hundred twenty-three thousand, four hundred two".