212146421606 has 32 divisors (see below), whose sum is σ = 372663728640. Its totient is φ = 88675214400.

The previous prime is 212146421587. The next prime is 212146421629. The reversal of 212146421606 is 606124641212.

It is a super-2 number, since 2×212146421606² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1880135 + ... + 1989773.

It is an arithmetic number, because the mean of its divisors is an integer number (11645741520).

Almost surely, 2^212146421606 is an apocalyptic number.

212146421606 is a deficient number, since it is larger than the sum of its proper divisors (160517307034).

212146421606 is a wasteful number, since it uses less digits than its factorization.

212146421606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113060.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 212146421606 in words is "two hundred twelve billion, one hundred forty-six million, four hundred twenty-one thousand, six hundred six".