1212011000122 has 64 divisors (see below), whose sum is σ = 2080959753600. Its totient is φ = 524811571200.

The previous prime is 1212011000099. The next prime is 1212011000191. The reversal of 1212011000122 is 2210001102121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27513058 + ... + 27557074.

It is an arithmetic number, because the mean of its divisors is an integer number (32514996150).

Almost surely, 2^{1212011000122} is an apocalyptic number.

1212011000122 is a deficient number, since it is larger than the sum of its proper divisors (868948753478).

1212011000122 is a wasteful number, since it uses less digits than its factorization.

1212011000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44591.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1212011000122 its reverse (2210001102121), we get a palindrome (3422012102243).

The spelling of 1212011000122 in words is "one trillion, two hundred twelve billion, eleven million, one hundred twenty-two", and thus it is an aban number.