12122122002212 has 6 divisors (see below), whose sum is σ = 21213713503878. Its totient is φ = 6061061001104.

The previous prime is 12122122002181. The next prime is 12122122002241. The reversal of 12122122002212 is 21220022122121.

It can be written as a sum of positive squares in only one way, i.e., 11134074074176 + 988047928036 = 3336776^2 + 994006^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515265250273 + ... + 1515265250280.

It is an arithmetic number, because the mean of its divisors is an integer number (3535618917313).

Almost surely, 2^{12122122002212} is an apocalyptic number.

It is an amenable number.

12122122002212 is a deficient number, since it is larger than the sum of its proper divisors (9091591501666).

12122122002212 is a wasteful number, since it uses less digits than its factorization.

12122122002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030530500557 (or 3030530500555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12122122002212 its reverse (21220022122121), we get a palindrome (33342144124333).

The spelling of 12122122002212 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty-two million, two thousand, two hundred twelve".