1212210022229 has 2 divisors, whose sum is σ = 1212210022230. Its totient is φ = 1212210022228.

The previous prime is 1212210022211. The next prime is 1212210022259. The reversal of 1212210022229 is 9222200122121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1211921362129 + 288660100 = 1100873^2 + 16990^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212210022229 - 2⁸ = 1212210021973 is a prime.

It is a super-3 number, since 3×1212210022229³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212210022198 and 1212210022207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212210022259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105011114 + 606105011115.

It is an arithmetic number, because the mean of its divisors is an integer number (606105011115).

Almost surely, 2^{1212210022229} is an apocalyptic number.

It is an amenable number.

1212210022229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210022229 is an equidigital number, since it uses as much as digits as its factorization.

1212210022229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 1212210022229 in words is "one trillion, two hundred twelve billion, two hundred ten million, twenty-two thousand, two hundred twenty-nine".