1111000012212 has 24 divisors (see below), whose sum is σ = 2592362782912. Its totient is φ = 370329134400.

The previous prime is 1111000012153. The next prime is 1111000012217. The reversal of 1111000012212 is 2122100001111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111000012217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688137 + ... + 1641807.

Almost surely, 2^{1111000012212} is an apocalyptic number.

1111000012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111000012212 is an abundant number, since it is smaller than the sum of its proper divisors (1481362770700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111000012212 is a wasteful number, since it uses less digits than its factorization.

1111000012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050759 (or 1050757 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1111000012212 its reverse (2122100001111), we get a palindrome (3233100013323).

The spelling of 1111000012212 in words is "one trillion, one hundred eleven billion, twelve thousand, two hundred twelve".