22011210112012 has 36 divisors (see below), whose sum is σ = 42340372271568. Its totient is φ = 10004947295200.

The previous prime is 22011210112009. The next prime is 22011210112043. The reversal of 22011210112012 is 21021101211022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36535062 + ... + 37132642.

It is an arithmetic number, because the mean of its divisors is an integer number (1176121451988).

Almost surely, 2^{22011210112012} is an apocalyptic number.

22011210112012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22011210112012 is a deficient number, since it is larger than the sum of its proper divisors (20329162159556).

22011210112012 is a wasteful number, since it uses less digits than its factorization.

22011210112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673710 (or 673697 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22011210112012 its reverse (21021101211022), we get a palindrome (43032311323034).

The spelling of 22011210112012 in words is "twenty-two trillion, eleven billion, two hundred ten million, one hundred twelve thousand, twelve".