212201004 has 48 divisors (see below), whose sum is σ = 542354400. Its totient is φ = 64275456.

The previous prime is 212200981. The next prime is 212201023. The reversal of 212201004 is 400102212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12019 + ... + 23850.

It is an arithmetic number, because the mean of its divisors is an integer number (11299050).

Almost surely, 2^212201004 is an apocalyptic number.

It is an amenable number.

212201004 is an abundant number, since it is smaller than the sum of its proper divisors (330153396).

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

212201004 is a wasteful number, since it uses less digits than its factorization.

212201004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35922 (or 35920 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 212201004 is about 14567.1206489134. The cubic root of 212201004 is about 596.4615848286.

Adding to 212201004 its reverse (400102212), we get a palindrome (612303216).

The spelling of 212201004 in words is "two hundred twelve million, two hundred one thousand, four".