212222201010 has 32 divisors (see below), whose sum is σ = 511172050752. Its totient is φ = 56388279360.

The previous prime is 212222201003. The next prime is 212222201017. The reversal of 212222201010 is 10102222212.

It is an interprime number because it is at equal distance from previous prime (212222201003) and next prime (212222201017).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (212222201017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12760776 + ... + 12777395.

It is an arithmetic number, because the mean of its divisors is an integer number (15974126586).

Almost surely, 2^212222201010 is an apocalyptic number.

212222201010 is an abundant number, since it is smaller than the sum of its proper divisors (298949849742).

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

212222201010 is a wasteful number, since it uses less digits than its factorization.

212222201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25538458.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212222201010 its reverse (10102222212), we get a palindrome (222324423222).

The spelling of 212222201010 in words is "two hundred twelve billion, two hundred twenty-two million, two hundred one thousand, ten".