212471122 has 8 divisors (see below), whose sum is σ = 319464972. Its totient is φ = 105982800.

The previous prime is 212471101. The next prime is 212471123. The reversal of 212471122 is 221174212.

It can be written as a sum of positive squares in 2 ways, for example, as 179051161 + 33419961 = 13381^2 + 5781^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 212471093 and 212471102.

It is not an unprimeable number, because it can be changed into a prime (212471123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125329 + ... + 127012.

Almost surely, 2^212471122 is an apocalyptic number.

212471122 is a deficient number, since it is larger than the sum of its proper divisors (106993850).

212471122 is a wasteful number, since it uses less digits than its factorization.

212471122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252764.

The product of its digits is 448, while the sum is 22.

The square root of 212471122 is about 14576.3891962310. The cubic root of 212471122 is about 596.7145630468.

The spelling of 212471122 in words is "two hundred twelve million, four hundred seventy-one thousand, one hundred twenty-two".