1200111022132 has 12 divisors (see below), whose sum is σ = 2291121042336. Its totient is φ = 545505010040.

The previous prime is 1200111022129. The next prime is 1200111022157. The reversal of 1200111022132 is 2312201110021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13637625208 + ... + 13637625295.

It is an arithmetic number, because the mean of its divisors is an integer number (190926753528).

Almost surely, 2^{1200111022132} is an apocalyptic number.

It is an amenable number.

1200111022132 is a deficient number, since it is larger than the sum of its proper divisors (1091010020204).

1200111022132 is a wasteful number, since it uses less digits than its factorization.

1200111022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27275250518 (or 27275250516 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1200111022132 its reverse (2312201110021), we get a palindrome (3512312132153).

The spelling of 1200111022132 in words is "one trillion, two hundred billion, one hundred eleven million, twenty-two thousand, one hundred thirty-two".