22001101200012 has 48 divisors (see below), whose sum is σ = 56003121724032. Its totient is φ = 6666962426880.

The previous prime is 22001101199999. The next prime is 22001101200097. The reversal of 22001101200012 is 21000210110022.

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

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, 30393388 + ... + 31108844.

It is an arithmetic number, because the mean of its divisors is an integer number (1166731702584).

Almost surely, 2^{22001101200012} is an apocalyptic number.

22001101200012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22001101200012 is an abundant number, since it is smaller than the sum of its proper divisors (34002020524020).

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

22001101200012 is a wasteful number, since it uses less digits than its factorization.

22001101200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948438 (or 948436 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22001101200012 its reverse (21000210110022), we get a palindrome (43001311310034).

The spelling of 22001101200012 in words is "twenty-two trillion, one billion, one hundred one million, two hundred thousand, twelve".