22010143212 has 36 divisors (see below), whose sum is σ = 55691443080. Its totient is φ = 7329502272.

The previous prime is 22010143147. The next prime is 22010143217. The reversal of 22010143212 is 21234101022.

It is a happy number.

22010143212 is a `hidden beast` number, since 220 + 1 + 0 + 1 + 432 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22010143217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263313 + ... + 336680.

It is an arithmetic number, because the mean of its divisors is an integer number (1546984530).

Almost surely, 2^22010143212 is an apocalyptic number.

It is an amenable number.

22010143212 is an abundant number, since it is smaller than the sum of its proper divisors (33681299868).

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

22010143212 is a wasteful number, since it uses less digits than its factorization.

22010143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601022 (or 601017 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22010143212 its reverse (21234101022), we get a palindrome (43244244234).

The spelling of 22010143212 in words is "twenty-two billion, ten million, one hundred forty-three thousand, two hundred twelve".