212010002122 has 8 divisors (see below), whose sum is σ = 318530426436. Its totient is φ = 105833193312.

The previous prime is 212010002003. The next prime is 212010002143. The reversal of 212010002122 is 221200010212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 202060139121 + 9949863001 = 449511^2 + 99749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85902333 + ... + 85904800.

Almost surely, 2^212010002122 is an apocalyptic number.

212010002122 is a deficient number, since it is larger than the sum of its proper divisors (106520424314).

212010002122 is a wasteful number, since it uses less digits than its factorization.

212010002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171807752.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212010002122 its reverse (221200010212), we get a palindrome (433210012334).

The spelling of 212010002122 in words is "two hundred twelve billion, ten million, two thousand, one hundred twenty-two".