22001012001012 has 96 divisors (see below), whose sum is σ = 57454588477440. Its totient is φ = 6494924378880.

The previous prime is 22001012001011. The next prime is 22001012001013. The reversal of 22001012001012 is 21010021010022.

It is an interprime number because it is at equal distance from previous prime (22001012001011) and next prime (22001012001013).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001012001011) 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, 2886337 + ... + 7234152.

It is an arithmetic number, because the mean of its divisors is an integer number (598485296640).

Almost surely, 2^{22001012001012} is an apocalyptic number.

22001012001012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22001012001012 is an abundant number, since it is smaller than the sum of its proper divisors (35453576476428).

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

22001012001012 is a wasteful number, since it uses less digits than its factorization.

22001012001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10120933 (or 10120931 counting only the distinct ones).

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

Adding to 22001012001012 its reverse (21010021010022), we get a palindrome (43011033011034).

The spelling of 22001012001012 in words is "twenty-two trillion, one billion, twelve million, one thousand, twelve".