22210210212212 has 24 divisors (see below), whose sum is σ = 42403751947200. Its totient is φ = 10094968776960.

The previous prime is 22210210212187. The next prime is 22210210212217. The reversal of 22210210212212 is 21221201201222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210210212217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13759712 + ... + 15288887.

It is an arithmetic number, because the mean of its divisors is an integer number (1766822997800).

Almost surely, 2^{22210210212212} is an apocalyptic number.

22210210212212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22210210212212 is a deficient number, since it is larger than the sum of its proper divisors (20193541734988).

22210210212212 is a wasteful number, since it uses less digits than its factorization.

22210210212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29065991 (or 29065989 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22210210212212 its reverse (21221201201222), we get a palindrome (43431411413434).

It can be divided in two parts, 22210210 and 212212, that added together give a palindrome (22422422).

The spelling of 22210210212212 in words is "twenty-two trillion, two hundred ten billion, two hundred ten million, two hundred twelve thousand, two hundred twelve".