212202002122 has 64 divisors (see below), whose sum is σ = 363902544000. Its totient is φ = 91919520000.

The previous prime is 212202002119. The next prime is 212202002137. The reversal of 212202002122 is 221200202212.

It is a junction number, because it is equal to n+sod(n) for n = 212202002096 and 212202002105.

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, 21324004 + ... + 21333952.

It is an arithmetic number, because the mean of its divisors is an integer number (5685977250).

Almost surely, 2^212202002122 is an apocalyptic number.

212202002122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212202002122 is a deficient number, since it is larger than the sum of its proper divisors (151700541878).

212202002122 is a wasteful number, since it uses less digits than its factorization.

212202002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10423.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212202002122 its reverse (221200202212), we get a palindrome (433402204334).

The spelling of 212202002122 in words is "two hundred twelve billion, two hundred two million, two thousand, one hundred twenty-two".