2201220312000 has 112 divisors (see below), whose sum is σ = 7268429549472. Its totient is φ = 586992076800.

The previous prime is 2201220311959. The next prime is 2201220312007. The reversal of 2201220312000 is 2130221022.

It is a happy number.

It is a super-2 number, since 2×2201220312000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201220312007) 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, 45834757 + ... + 45882756.

It is an arithmetic number, because the mean of its divisors is an integer number (64896692406).

Almost surely, 2^{2201220312000} is an apocalyptic number.

2201220312000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201220312000 is an abundant number, since it is smaller than the sum of its proper divisors (5067209237472).

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

2201220312000 is an equidigital number, since it uses as much as digits as its factorization.

2201220312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91717543 (or 91717523 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2201220312000 its reverse (2130221022), we get a palindrome (2203350533022).

The spelling of 2201220312000 in words is "two trillion, two hundred one billion, two hundred twenty million, three hundred twelve thousand".