1103011212 has 48 divisors (see below), whose sum is σ = 2611792512. Its totient is φ = 362265600.

The previous prime is 1103011183. The next prime is 1103011219. The reversal of 1103011212 is 2121103011.

1103011212 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (1103011219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245587 + ... + 250037.

It is an arithmetic number, because the mean of its divisors is an integer number (54412344).

Almost surely, 2^1103011212 is an apocalyptic number.

1103011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103011212 is an abundant number, since it is smaller than the sum of its proper divisors (1508781300).

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

1103011212 is a wasteful number, since it uses less digits than its factorization.

1103011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758 (or 4756 counting only the distinct ones).

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

The square root of 1103011212 is about 33211.6126076407. The cubic root of 1103011212 is about 1033.2212009668.

Adding to 1103011212 its reverse (2121103011), we get a palindrome (3224114223).

It can be divided in two parts, 1103011 and 212, that multiplied together give a palindrome (233838332).

The spelling of 1103011212 in words is "one billion, one hundred three million, eleven thousand, two hundred twelve".