2210121212012 has 24 divisors (see below), whose sum is σ = 4439213434656. Its totient is φ = 943129588608.

The previous prime is 2210121211999. The next prime is 2210121212017. The reversal of 2210121212012 is 2102121210122.

It is not an unprimeable number, because it can be changed into a prime (2210121212017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169377383 + ... + 169390430.

It is an arithmetic number, because the mean of its divisors is an integer number (184967226444).

Almost surely, 2^{2210121212012} is an apocalyptic number.

It is an amenable number.

2210121212012 is an abundant number, since it is smaller than the sum of its proper divisors (2229092222644).

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

2210121212012 is a wasteful number, since it uses less digits than its factorization.

2210121212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338768057 (or 338768055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2210121212012 its reverse (2102121210122), we get a palindrome (4312242422134).

The spelling of 2210121212012 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, two hundred twelve thousand, twelve".