212074128 has 60 divisors (see below), whose sum is σ = 678303808. Its totient is φ = 60592320.

The previous prime is 212074123. The next prime is 212074141. The reversal of 212074128 is 821470212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212074123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104188 + ... + 106203.

Almost surely, 2^212074128 is an apocalyptic number.

212074128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

212074128 is an abundant number, since it is smaller than the sum of its proper divisors (466229680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212074128 is a wasteful number, since it uses less digits than its factorization.

212074128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210412 (or 210403 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 212074128 is about 14562.7651220501. The cubic root of 212074128 is about 596.3426853793.

The spelling of 212074128 in words is "two hundred twelve million, seventy-four thousand, one hundred twenty-eight".