1202111113312 has 12 divisors (see below), whose sum is σ = 2366656254396. Its totient is φ = 601055556640.

The previous prime is 1202111113303. The next prime is 1202111113367. The reversal of 1202111113312 is 2133111112021.

It is a super-2 number, since 2×1202111113312² (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 1202111113312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18782986114 + ... + 18782986177.

It is an arithmetic number, because the mean of its divisors is an integer number (197221354533).

Almost surely, 2^{1202111113312} is an apocalyptic number.

It is an amenable number.

1202111113312 is a deficient number, since it is larger than the sum of its proper divisors (1164545141084).

1202111113312 is an equidigital number, since it uses as much as digits as its factorization.

1202111113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37565972301 (or 37565972293 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1202111113312 its reverse (2133111112021), we get a palindrome (3335222225333).

The spelling of 1202111113312 in words is "one trillion, two hundred two billion, one hundred eleven million, one hundred thirteen thousand, three hundred twelve".