212954980 has 96 divisors (see below), whose sum is σ = 536256000. Its totient is φ = 70955136.

The previous prime is 212954977. The next prime is 212955019. The reversal of 212954980 is 89459212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253401 + ... + 254239.

It is an arithmetic number, because the mean of its divisors is an integer number (5586000).

Almost surely, 2^212954980 is an apocalyptic number.

212954980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212954980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268128000).

212954980 is an abundant number, since it is smaller than the sum of its proper divisors (323301020).

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

212954980 is a wasteful number, since it uses less digits than its factorization.

212954980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 212954980 is about 14592.9770780331. The cubic root of 212954980 is about 597.1671833356.

The spelling of 212954980 in words is "two hundred twelve million, nine hundred fifty-four thousand, nine hundred eighty".