12221012012000 has 96 divisors (see below), whose sum is σ = 32756756314464. Its totient is φ = 4444004352000.

The previous prime is 12221012011951. The next prime is 12221012012081. The reversal of 12221012012000 is 21021012221.

12221012012000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 138831137 + ... + 138919136.

It is an arithmetic number, because the mean of its divisors is an integer number (341216211609).

Almost surely, 2^{12221012012000} is an apocalyptic number.

12221012012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221012012000 is an abundant number, since it is smaller than the sum of its proper divisors (20535744302464).

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

12221012012000 is a wasteful number, since it uses less digits than its factorization.

12221012012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277750309 (or 277750291 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12221012012000 its reverse (21021012221), we get a palindrome (12242033024221).

The spelling of 12221012012000 in words is "twelve trillion, two hundred twenty-one billion, twelve million, twelve thousand".