2221002012000 has 96 divisors (see below), whose sum is σ = 7276002630624. Its totient is φ = 592267200000.

The previous prime is 2221002011971. The next prime is 2221002012011. The reversal of 2221002012000 is 2102001222.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92529751 + ... + 92553750.

It is an arithmetic number, because the mean of its divisors is an integer number (75791694069).

Almost surely, 2^{2221002012000} is an apocalyptic number.

2221002012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221002012000 is an abundant number, since it is smaller than the sum of its proper divisors (5055000618624).

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

2221002012000 is a wasteful number, since it uses less digits than its factorization.

2221002012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185083529 (or 185083511 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2221002012000 its reverse (2102001222), we get a palindrome (2223104013222).

The spelling of 2221002012000 in words is "two trillion, two hundred twenty-one billion, two million, twelve thousand".