111212000102112 has 192 divisors, whose sum is σ = 359312688000000. Its totient is φ = 29329626783744.

The previous prime is 111212000102101. The next prime is 111212000102123. The reversal of 111212000102112 is 211201000212111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111212000102101) and next prime (111212000102123).

It is a junction number, because it is equal to n+sod(n) for n = 111212000102091 and 111212000102100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272787573 + ... + 273194955.

It is an arithmetic number, because the mean of its divisors is an integer number (1871420250000).

Almost surely, 2^{111212000102112} is an apocalyptic number.

111212000102112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111212000102112 is an abundant number, since it is smaller than the sum of its proper divisors (248100687897888).

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

111212000102112 is a wasteful number, since it uses less digits than its factorization.

111212000102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438665 (or 438657 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111212000102112 its reverse (211201000212111), we get a palindrome (322413000314223).

The spelling of 111212000102112 in words is "one hundred eleven trillion, two hundred twelve billion, one hundred two thousand, one hundred twelve".