10011112212 has 48 divisors (see below), whose sum is σ = 23827507200. Its totient is φ = 3270490080.

The previous prime is 10011112207. The next prime is 10011112213. The reversal of 10011112212 is 21221111001.

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 (10011112213) 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, 212989 + ... + 255707.

It is an arithmetic number, because the mean of its divisors is an integer number (496406400).

Almost surely, 2^10011112212 is an apocalyptic number.

10011112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10011112212 is an abundant number, since it is smaller than the sum of its proper divisors (13816394988).

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

10011112212 is a wasteful number, since it uses less digits than its factorization.

10011112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43116 (or 43114 counting only the distinct ones).

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

Adding to 10011112212 its reverse (21221111001), we get a palindrome (31232223213).

The spelling of 10011112212 in words is "ten billion, eleven million, one hundred twelve thousand, two hundred twelve".