212201111212002 has 48 divisors (see below), whose sum is σ = 501786152693280. Its totient is φ = 64275176030400.

The previous prime is 212201111211941. The next prime is 212201111212003. The reversal of 212201111212002 is 200212111102212.

212201111212002 is a `hidden beast` number, since 212 + 20 + 111 + 121 + 200 + 2 = 666.

It is a super-3 number, since 3×212201111212002³ (a number of 44 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (212201111212003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234472252 + ... + 235375527.

It is an arithmetic number, because the mean of its divisors is an integer number (10453878181110).

Almost surely, 2^{212201111212002} is an apocalyptic number.

212201111212002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212201111212002 is an abundant number, since it is smaller than the sum of its proper divisors (289585041481278).

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

212201111212002 is a wasteful number, since it uses less digits than its factorization.

212201111212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469850079 (or 469850076 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212201111212002 its reverse (200212111102212), we get a palindrome (412413222314214).

The spelling of 212201111212002 in words is "two hundred twelve trillion, two hundred one billion, one hundred eleven million, two hundred twelve thousand, two".