212450331 has 8 divisors (see below), whose sum is σ = 284276304. Its totient is φ = 141128960.

The previous prime is 212450323. The next prime is 212450351. The reversal of 212450331 is 133054212.

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

It is a cyclic number.

It is not a de Polignac number, because 212450331 - 2³ = 212450323 is a prime.

It is a super-2 number, since 2×212450331² = 90270286284019122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212450298 and 212450307.

It is not an unprimeable number, because it can be changed into a prime (212450311) 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, 125166 + ... + 126851.

It is an arithmetic number, because the mean of its divisors is an integer number (35534538).

Almost surely, 2^212450331 is an apocalyptic number.

212450331 is a deficient number, since it is larger than the sum of its proper divisors (71825973).

212450331 is a wasteful number, since it uses less digits than its factorization.

212450331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252301.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 212450331 is about 14575.6760049063. The cubic root of 212450331 is about 596.6950989160.

The spelling of 212450331 in words is "two hundred twelve million, four hundred fifty thousand, three hundred thirty-one".