2215132412212 has 24 divisors (see below), whose sum is σ = 3888391477320. Its totient is φ = 1104166809600.

The previous prime is 2215132412179. The next prime is 2215132412291. The reversal of 2215132412212 is 2122142315122.

It can be written as a sum of positive squares in 4 ways, for example, as 2118090193956 + 97042218256 = 1455366^2 + 311516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2196378 + ... + 3042094.

It is an arithmetic number, because the mean of its divisors is an integer number (162016311555).

Almost surely, 2^{2215132412212} is an apocalyptic number.

It is an amenable number.

2215132412212 is a deficient number, since it is larger than the sum of its proper divisors (1673259065108).

2215132412212 is a wasteful number, since it uses less digits than its factorization.

2215132412212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847731 (or 847729 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

Adding to 2215132412212 its reverse (2122142315122), we get a palindrome (4337274727334).

The spelling of 2215132412212 in words is "two trillion, two hundred fifteen billion, one hundred thirty-two million, four hundred twelve thousand, two hundred twelve".