1110001212 has 48 divisors (see below), whose sum is σ = 2881794720. Its totient is φ = 369484416.

The previous prime is 1110001199. The next prime is 1110001219. The reversal of 1110001212 is 2121000111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1110001194 and 1110001203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110001219) 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, 74968 + ... + 88544.

It is an arithmetic number, because the mean of its divisors is an integer number (60037390).

Almost surely, 2^1110001212 is an apocalyptic number.

1110001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1110001212 is an abundant number, since it is smaller than the sum of its proper divisors (1771793508).

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

1110001212 is a wasteful number, since it uses less digits than its factorization.

1110001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14347 (or 14339 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1110001212 is about 33316.6806870072. The cubic root of 1110001212 is about 1035.3991822961.

Adding to 1110001212 its reverse (2121000111), we get a palindrome (3231001323).

The spelling of 1110001212 in words is "one billion, one hundred ten million, one thousand, two hundred twelve".