212354012 has 12 divisors (see below), whose sum is σ = 400205736. Its totient is φ = 98009520.

The previous prime is 212353997. The next prime is 212354041. The reversal of 212354012 is 210453212.

It is a super-2 number, since 2×212354012² = 90188452824992288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041814 + ... + 2041917.

It is an arithmetic number, because the mean of its divisors is an integer number (33350478).

Almost surely, 2^212354012 is an apocalyptic number.

It is an amenable number.

212354012 is a deficient number, since it is larger than the sum of its proper divisors (187851724).

212354012 is a wasteful number, since it uses less digits than its factorization.

212354012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083748 (or 4083746 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 212354012 is about 14572.3715297133. The cubic root of 212354012 is about 596.6049103643.

The spelling of 212354012 in words is "two hundred twelve million, three hundred fifty-four thousand, twelve".