1212211000211 has 16 divisors (see below), whose sum is σ = 1237013519040. Its totient is φ = 1187676739200.

The previous prime is 1212211000201. The next prime is 1212211000289. The reversal of 1212211000211 is 1120001122121.

It is a cyclic number.

It is not a de Polignac number, because 1212211000211 - 2³⁸ = 937333093267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212211000201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14240885 + ... + 14325753.

It is an arithmetic number, because the mean of its divisors is an integer number (77313344940).

Almost surely, 2^{1212211000211} is an apocalyptic number.

1212211000211 is a deficient number, since it is larger than the sum of its proper divisors (24802518829).

1212211000211 is a wasteful number, since it uses less digits than its factorization.

1212211000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86446.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212211000211 its reverse (1120001122121), we get a palindrome (2332212122332).

The spelling of 1212211000211 in words is "one trillion, two hundred twelve billion, two hundred eleven million, two hundred eleven", and thus it is an aban number.