22012110312000 has 224 divisors, whose sum is σ = 72691518791424. Its totient is φ = 5869287936000.

The previous prime is 22012110311999. The next prime is 22012110312007. The reversal of 22012110312000 is 21301121022.

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

It is not an unprimeable number, because it can be changed into a prime (22012110312007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261629940 + ... + 261714060.

Almost surely, 2^{22012110312000} is an apocalyptic number.

22012110312000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22012110312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36345759395712).

22012110312000 is an abundant number, since it is smaller than the sum of its proper divisors (50679408479424).

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

22012110312000 is a wasteful number, since it uses less digits than its factorization.

22012110312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95054 (or 95034 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22012110312000 its reverse (21301121022), we get a palindrome (22033411433022).

The spelling of 22012110312000 in words is "twenty-two trillion, twelve billion, one hundred ten million, three hundred twelve thousand".