10221212001210 has 96 divisors (see below), whose sum is σ = 28540119700800. Its totient is φ = 2335936071168.

The previous prime is 10221212001157. The next prime is 10221212001289. The reversal of 10221212001210 is 1210021212201.

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 10221212001210.

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, 9637602 + ... + 10645458.

It is an arithmetic number, because the mean of its divisors is an integer number (297292913550).

Almost surely, 2^{10221212001210} is an apocalyptic number.

10221212001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221212001210 is an abundant number, since it is smaller than the sum of its proper divisors (18318907699590).

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

10221212001210 is a wasteful number, since it uses less digits than its factorization.

10221212001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014780 (or 1014773 counting only the distinct ones).

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

Adding to 10221212001210 its reverse (1210021212201), we get a palindrome (11431233213411).

The spelling of 10221212001210 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, one thousand, two hundred ten".