212151034 has 16 divisors (see below), whose sum is σ = 332634240. Its totient is φ = 101288880.

The previous prime is 212151031. The next prime is 212151047. The reversal of 212151034 is 430151212.

It is a super-2 number, since 2×212151034² = 90016122454538312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212151031) 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, 25372 + ... + 32680.

It is an arithmetic number, because the mean of its divisors is an integer number (20789640).

Almost surely, 2^212151034 is an apocalyptic number.

212151034 is a deficient number, since it is larger than the sum of its proper divisors (120483206).

212151034 is a wasteful number, since it uses less digits than its factorization.

212151034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7965.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 212151034 is about 14565.4053839912. The cubic root of 212151034 is about 596.4147620447.

The spelling of 212151034 in words is "two hundred twelve million, one hundred fifty-one thousand, thirty-four".