1100313123212 has 12 divisors (see below), whose sum is σ = 1970328151176. Its totient is φ = 537362222880.

The previous prime is 1100313123197. The next prime is 1100313123257. The reversal of 1100313123212 is 2123213130011.

It is a happy number.

It is a super-2 number, since 2×1100313123212² (a number of 25 digits) contains 22 as substring.

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, 3198584489 + ... + 3198584832.

It is an arithmetic number, because the mean of its divisors is an integer number (164194012598).

Almost surely, 2^{1100313123212} is an apocalyptic number.

It is an amenable number.

1100313123212 is a deficient number, since it is larger than the sum of its proper divisors (870015027964).

1100313123212 is a wasteful number, since it uses less digits than its factorization.

1100313123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6397169368 (or 6397169366 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1100313123212 its reverse (2123213130011), we get a palindrome (3223526253223).

The spelling of 1100313123212 in words is "one trillion, one hundred billion, three hundred thirteen million, one hundred twenty-three thousand, two hundred twelve".