212333021010 has 48 divisors (see below), whose sum is σ = 602253662400. Its totient is φ = 51474671520.

The previous prime is 212333020987. The next prime is 212333021057. The reversal of 212333021010 is 10120333212.

212333021010 is a `hidden beast` number, since 2 + 123 + 330 + 210 + 1 + 0 = 666.

It is a super-2 number, since 2×212333021010² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107237910 + ... + 107239889.

It is an arithmetic number, because the mean of its divisors is an integer number (12546951300).

Almost surely, 2^212333021010 is an apocalyptic number.

212333021010 is an abundant number, since it is smaller than the sum of its proper divisors (389920641390).

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

212333021010 is a wasteful number, since it uses less digits than its factorization.

212333021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214477823 (or 214477820 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212333021010 its reverse (10120333212), we get a palindrome (222453354222).

The spelling of 212333021010 in words is "two hundred twelve billion, three hundred thirty-three million, twenty-one thousand, ten".