1012021122212 has 48 divisors (see below), whose sum is σ = 1858106611200. Its totient is φ = 481703604480.

The previous prime is 1012021122209. The next prime is 1012021122221. The reversal of 1012021122212 is 2122211202101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3283214 + ... + 3578202.

It is an arithmetic number, because the mean of its divisors is an integer number (38710554400).

Almost surely, 2^{1012021122212} is an apocalyptic number.

It is an amenable number.

1012021122212 is a deficient number, since it is larger than the sum of its proper divisors (846085488988).

1012021122212 is a wasteful number, since it uses less digits than its factorization.

1012021122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295476 (or 295474 counting only the distinct ones).

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

Adding to 1012021122212 its reverse (2122211202101), we get a palindrome (3134232324313).

The spelling of 1012021122212 in words is "one trillion, twelve billion, twenty-one million, one hundred twenty-two thousand, two hundred twelve".