2221230312000 has 336 divisors, whose sum is σ = 9080814667392. Its totient is φ = 507709670400.

The previous prime is 2221230311983. The next prime is 2221230312031. The reversal of 2221230312000 is 2130321222.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1699602 + ... + 2707601.

Almost surely, 2^{2221230312000} is an apocalyptic number.

2221230312000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221230312000 is an abundant number, since it is smaller than the sum of its proper divisors (6859584355392).

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

2221230312000 is a wasteful number, since it uses less digits than its factorization.

2221230312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407243 (or 4407220 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2221230312000 its reverse (2130321222), we get a palindrome (2223360633222).

The spelling of 2221230312000 in words is "two trillion, two hundred twenty-one billion, two hundred thirty million, three hundred twelve thousand".