212224022142 has 64 divisors (see below), whose sum is σ = 479024679168. Its totient is φ = 62120480000.

The previous prime is 212224022117. The next prime is 212224022161. The reversal of 212224022142 is 241220422212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114948 + ... + 661559.

It is an arithmetic number, because the mean of its divisors is an integer number (7484760612).

Almost surely, 2^212224022142 is an apocalyptic number.

212224022142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212224022142 is an abundant number, since it is smaller than the sum of its proper divisors (266800657026).

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

212224022142 is a wasteful number, since it uses less digits than its factorization.

212224022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776665.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 212224022142 its reverse (241220422212), we get a palindrome (453444444354).

The spelling of 212224022142 in words is "two hundred twelve billion, two hundred twenty-four million, twenty-two thousand, one hundred forty-two".