201212010 has 96 divisors (see below), whose sum is σ = 553512960. Its totient is φ = 50630400.

The previous prime is 201211999. The next prime is 201212021. The reversal of 201212010 is 10212102.

It is an interprime number because it is at equal distance from previous prime (201211999) and next prime (201212021).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201211983 and 201212001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113511 + ... + 115269.

It is an arithmetic number, because the mean of its divisors is an integer number (5765760).

Almost surely, 2^201212010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201212010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276756480).

201212010 is an abundant number, since it is smaller than the sum of its proper divisors (352300950).

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

201212010 is a wasteful number, since it uses less digits than its factorization.

201212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 201212010 is about 14184.9219243533. The cubic root of 201212010 is about 585.9824822853.

Adding to 201212010 its reverse (10212102), we get a palindrome (211424112).

The spelling of 201212010 in words is "two hundred one million, two hundred twelve thousand, ten".