2112212120000 has 70 divisors (see below), whose sum is σ = 5237599687848. Its totient is φ = 844884832000.

The previous prime is 2112212119967. The next prime is 2112212120003. The reversal of 2112212120000 is 212122112.

It is a super-2 number, since 2×2112212120000² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112212120003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26362652 + ... + 26442651.

Almost surely, 2^{2112212120000} is an apocalyptic number.

2112212120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112212120000 is an abundant number, since it is smaller than the sum of its proper divisors (3125387567848).

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

2112212120000 is an frugal number, since it uses more digits than its factorization.

2112212120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52805335 (or 52805310 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2112212120000 its reverse (212122112), we get a palindrome (2112424242112).

The spelling of 2112212120000 in words is "two trillion, one hundred twelve billion, two hundred twelve million, one hundred twenty thousand".