2221012012000 has 48 divisors (see below), whose sum is σ = 5457026523312. Its totient is φ = 888404803200.

The previous prime is 2221012011991. The next prime is 2221012012031. The reversal of 2221012012000 is 2102101222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277622502 + ... + 277630501.

It is an arithmetic number, because the mean of its divisors is an integer number (113688052569).

Almost surely, 2^{2221012012000} is an apocalyptic number.

2221012012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221012012000 is an abundant number, since it is smaller than the sum of its proper divisors (3236014511312).

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

2221012012000 is an equidigital number, since it uses as much as digits as its factorization.

2221012012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555253028 (or 555253010 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2221012012000 its reverse (2102101222), we get a palindrome (2223114113222).

The spelling of 2221012012000 in words is "two trillion, two hundred twenty-one billion, twelve million, twelve thousand".