1201131231404 has 24 divisors (see below), whose sum is σ = 2297456529648. Its totient is φ = 546094105920.

The previous prime is 1201131231401. The next prime is 1201131231463. The reversal of 1201131231404 is 4041321311021.

It is a super-2 number, since 2×1201131231404² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1201131231404.

It is not an unprimeable number, because it can be changed into a prime (1201131231401) 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, 172374707 + ... + 172381674.

It is an arithmetic number, because the mean of its divisors is an integer number (95727355402).

Almost surely, 2^{1201131231404} is an apocalyptic number.

It is an amenable number.

1201131231404 is a deficient number, since it is larger than the sum of its proper divisors (1096325298244).

1201131231404 is a wasteful number, since it uses less digits than its factorization.

1201131231404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344756465 (or 344756463 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1201131231404 its reverse (4041321311021), we get a palindrome (5242452542425).

The spelling of 1201131231404 in words is "one trillion, two hundred one billion, one hundred thirty-one million, two hundred thirty-one thousand, four hundred four".