220210121011212 has 36 divisors (see below), whose sum is σ = 580844087307120. Its totient is φ = 70211922640992.

The previous prime is 220210121011211. The next prime is 220210121011217. The reversal of 220210121011212 is 212110121012022.

220210121011212 is a `hidden beast` number, since 2 + 20 + 210 + 1 + 210 + 11 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 (220210121011211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132977125387 + ... + 132977127042.

Almost surely, 2^{220210121011212} is an apocalyptic number.

It is an amenable number.

220210121011212 is an abundant number, since it is smaller than the sum of its proper divisors (360633966295908).

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

220210121011212 is a wasteful number, since it uses less digits than its factorization.

220210121011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265954252462 (or 265954252457 counting only the distinct ones).

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

Adding to 220210121011212 its reverse (212110121012022), we get a palindrome (432320242023234).

The spelling of 220210121011212 in words is "two hundred twenty trillion, two hundred ten billion, one hundred twenty-one million, eleven thousand, two hundred twelve".