1211130233312 has 12 divisors (see below), whose sum is σ = 2384412646896. Its totient is φ = 605565116640.

The previous prime is 1211130233309. The next prime is 1211130233353. The reversal of 1211130233312 is 2133320311121.

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, 18923909864 + ... + 18923909927.

It is an arithmetic number, because the mean of its divisors is an integer number (198701053908).

Almost surely, 2^{1211130233312} is an apocalyptic number.

It is an amenable number.

1211130233312 is a deficient number, since it is larger than the sum of its proper divisors (1173282413584).

1211130233312 is an equidigital number, since it uses as much as digits as its factorization.

1211130233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37847819801 (or 37847819793 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1211130233312 its reverse (2133320311121), we get a palindrome (3344450544433).

The spelling of 1211130233312 in words is "one trillion, two hundred eleven billion, one hundred thirty million, two hundred thirty-three thousand, three hundred twelve".