212146422116 has 24 divisors (see below), whose sum is σ = 390820049760. Its totient is φ = 100484236800.

The previous prime is 212146422113. The next prime is 212146422121. The reversal of 212146422116 is 611224641212.

It is a super-2 number, since 2×212146422116² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212146422113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307396 + ... + 1460676.

It is an arithmetic number, because the mean of its divisors is an integer number (16284168740).

Almost surely, 2^212146422116 is an apocalyptic number.

It is an amenable number.

212146422116 is a deficient number, since it is larger than the sum of its proper divisors (178673627644).

212146422116 is a wasteful number, since it uses less digits than its factorization.

212146422116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171515 (or 171513 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The spelling of 212146422116 in words is "two hundred twelve billion, one hundred forty-six million, four hundred twenty-two thousand, one hundred sixteen".