1111100213212 has 24 divisors (see below), whose sum is σ = 2122906206960. Its totient is φ = 504637244160.

The previous prime is 1111100213203. The next prime is 1111100213261. The reversal of 1111100213212 is 2123120011111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10152637 + ... + 10261492.

It is an arithmetic number, because the mean of its divisors is an integer number (88454425290).

Almost surely, 2^{1111100213212} is an apocalyptic number.

It is an amenable number.

1111100213212 is a deficient number, since it is larger than the sum of its proper divisors (1011805993748).

1111100213212 is a wasteful number, since it uses less digits than its factorization.

1111100213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20415381 (or 20415379 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1111100213212 its reverse (2123120011111), we get a palindrome (3234220224323).

The spelling of 1111100213212 in words is "one trillion, one hundred eleven billion, one hundred million, two hundred thirteen thousand, two hundred twelve".