1123312000212 has 48 divisors (see below), whose sum is σ = 2921654736000. Its totient is φ = 373233343680.

The previous prime is 1123312000189. The next prime is 1123312000277. The reversal of 1123312000212 is 2120002133211.

1123312000212 is a `hidden beast` number, since 112 + 331 + 200 + 0 + 21 + 2 = 666.

It is a super-3 number, since 3×1123312000212³ (a number of 37 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16688337 + ... + 16755512.

It is an arithmetic number, because the mean of its divisors is an integer number (60867807000).

Almost surely, 2^{1123312000212} is an apocalyptic number.

1123312000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123312000212 is an abundant number, since it is smaller than the sum of its proper divisors (1798342735788).

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

1123312000212 is a wasteful number, since it uses less digits than its factorization.

1123312000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33444173 (or 33444165 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1123312000212 its reverse (2120002133211), we get a palindrome (3243314133423).

The spelling of 1123312000212 in words is "one trillion, one hundred twenty-three billion, three hundred twelve million, two hundred twelve", and thus it is an aban number.