2212400505000 has 160 divisors (see below), whose sum is σ = 7898902292160. Its totient is φ = 505691520000.

The previous prime is 2212400504989. The next prime is 2212400505011. The reversal of 2212400505000 is 5050042122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2212400504989) and next prime (2212400505011).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10430241 + ... + 10640240.

It is an arithmetic number, because the mean of its divisors is an integer number (49368139326).

Almost surely, 2^{2212400505000} is an apocalyptic number.

2212400505000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212400505000 is an abundant number, since it is smaller than the sum of its proper divisors (5686501787160).

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

2212400505000 is a wasteful number, since it uses less digits than its factorization.

2212400505000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21070517 (or 21070498 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 2212400505000 its reverse (5050042122), we get a palindrome (2217450547122).

The spelling of 2212400505000 in words is "two trillion, two hundred twelve billion, four hundred million, five hundred five thousand".