10112120221212 has 48 divisors (see below), whose sum is σ = 27596429459200. Its totient is φ = 3193301121840.

The previous prime is 10112120221201. The next prime is 10112120221213. The reversal of 10112120221212 is 21212202121101.

10112120221212 is a `hidden beast` number, since 1 + 0 + 112 + 120 + 221 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112120221213) 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, 2463964864 + ... + 2463968967.

Almost surely, 2^{10112120221212} is an apocalyptic number.

10112120221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10112120221212 is an abundant number, since it is smaller than the sum of its proper divisors (17484309237988).

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

10112120221212 is a wasteful number, since it uses less digits than its factorization.

10112120221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927933863 (or 4927933855 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10112120221212 its reverse (21212202121101), we get a palindrome (31324322342313).

The spelling of 10112120221212 in words is "ten trillion, one hundred twelve billion, one hundred twenty million, two hundred twenty-one thousand, two hundred twelve".