2212621212060 has 360 divisors, whose sum is σ = 8135985577104. Its totient is φ = 501879006720.

The previous prime is 2212621211993. The next prime is 2212621212143. The reversal of 2212621212060 is 602121262122.

2212621212060 is a `hidden beast` number, since 2 + 2 + 12 + 621 + 2 + 1 + 20 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 10292392 + ... + 10505168.

Almost surely, 2^{2212621212060} is an apocalyptic number.

2212621212060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212621212060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4067992788552).

2212621212060 is an abundant number, since it is smaller than the sum of its proper divisors (5923364365044).

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

2212621212060 is a wasteful number, since it uses less digits than its factorization.

2212621212060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212943 (or 212925 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 2212621212060 its reverse (602121262122), we get a palindrome (2814742474182).

The spelling of 2212621212060 in words is "two trillion, two hundred twelve billion, six hundred twenty-one million, two hundred twelve thousand, sixty".