1012222211212 has 24 divisors (see below), whose sum is σ = 1772405948880. Its totient is φ = 505820608320.

The previous prime is 1012222211149. The next prime is 1012222211219. The reversal of 1012222211212 is 2121122222101.

1012222211212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1012222211212.

It is not an unprimeable number, because it can be changed into a prime (1012222211219) 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, 62517214 + ... + 62533402.

It is an arithmetic number, because the mean of its divisors is an integer number (73850247870).

Almost surely, 2^{1012222211212} is an apocalyptic number.

It is an amenable number.

1012222211212 is a deficient number, since it is larger than the sum of its proper divisors (760183737668).

1012222211212 is a wasteful number, since it uses less digits than its factorization.

1012222211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24201 (or 24199 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1012222211212 its reverse (2121122222101), we get a palindrome (3133344433313).

The spelling of 1012222211212 in words is "one trillion, twelve billion, two hundred twenty-two million, two hundred eleven thousand, two hundred twelve".