12212001201210 has 32 divisors (see below), whose sum is σ = 29375565563520. Its totient is φ = 3249115578048.

The previous prime is 12212001201199. The next prime is 12212001201217. The reversal of 12212001201210 is 1210210021221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12212001201210.

It is not an unprimeable number, because it can be changed into a prime (12212001201217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463616337 + ... + 463642676.

It is an arithmetic number, because the mean of its divisors is an integer number (917986423860).

Almost surely, 2^{12212001201210} is an apocalyptic number.

12212001201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212001201210 is an abundant number, since it is smaller than the sum of its proper divisors (17163564362310).

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

12212001201210 is a wasteful number, since it uses less digits than its factorization.

12212001201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927259462.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12212001201210 its reverse (1210210021221), we get a palindrome (13422211222431).

The spelling of 12212001201210 in words is "twelve trillion, two hundred twelve billion, one million, two hundred one thousand, two hundred ten".