2212120130000 has 100 divisors (see below), whose sum is σ = 5842651977888. Its totient is φ = 804407280000.

The previous prime is 2212120129969. The next prime is 2212120130009. The reversal of 2212120130000 is 310212122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212120130009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9945092 + ... + 10165091.

Almost surely, 2^{2212120130000} is an apocalyptic number.

2212120130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212120130000 is an abundant number, since it is smaller than the sum of its proper divisors (3630531847888).

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

2212120130000 is a wasteful number, since it uses less digits than its factorization.

2212120130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20110222 (or 20110201 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2212120130000 its reverse (310212122), we get a palindrome (2212430342122).

The spelling of 2212120130000 in words is "two trillion, two hundred twelve billion, one hundred twenty million, one hundred thirty thousand".