1212000010211 has 8 divisors (see below), whose sum is σ = 1224068009520. Its totient is φ = 1199978696448.

The previous prime is 1212000010187. The next prime is 1212000010279. The reversal of 1212000010211 is 1120100002121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212000010211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212000010192 and 1212000010201.

It is not an unprimeable number, because it can be changed into a prime (1212000010511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11619206 + ... + 11723051.

It is an arithmetic number, because the mean of its divisors is an integer number (153008501190).

Almost surely, 2^{1212000010211} is an apocalyptic number.

1212000010211 is a deficient number, since it is larger than the sum of its proper divisors (12067999309).

1212000010211 is a wasteful number, since it uses less digits than its factorization.

1212000010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23342773.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1212000010211 its reverse (1120100002121), we get a palindrome (2332100012332).

The spelling of 1212000010211 in words is "one trillion, two hundred twelve billion, ten thousand, two hundred eleven".