1211212200122 has 8 divisors (see below), whose sum is σ = 1827964425216. Its totient is φ = 601890725052.

The previous prime is 1211212200113. The next prime is 1211212200137. The reversal of 1211212200122 is 2210022121121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1211212200122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1857687098 + ... + 1857687749.

It is an arithmetic number, because the mean of its divisors is an integer number (228495553152).

Almost surely, 2^{1211212200122} is an apocalyptic number.

1211212200122 is a deficient number, since it is larger than the sum of its proper divisors (616752225094).

1211212200122 is a wasteful number, since it uses less digits than its factorization.

1211212200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715375012.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1211212200122 its reverse (2210022121121), we get a palindrome (3421234321243).

The spelling of 1211212200122 in words is "one trillion, two hundred eleven billion, two hundred twelve million, two hundred thousand, one hundred twenty-two".