1012022121128 has 16 divisors (see below), whose sum is σ = 1904756467680. Its totient is φ = 504087063088.

The previous prime is 1012022121127. The next prime is 1012022121133. The reversal of 1012022121128 is 8211212202101.

It is not an unprimeable number, because it can be changed into a prime (1012022121127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240497450 + ... + 240501657.

It is an arithmetic number, because the mean of its divisors is an integer number (119047279230).

Almost surely, 2^{1012022121128} is an apocalyptic number.

It is an amenable number.

1012022121128 is a deficient number, since it is larger than the sum of its proper divisors (892734346552).

1012022121128 is a wasteful number, since it uses less digits than its factorization.

1012022121128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480999376 (or 480999372 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 1012022121128 its reverse (8211212202101), we get a palindrome (9223234323229).

The spelling of 1012022121128 in words is "one trillion, twelve billion, twenty-two million, one hundred twenty-one thousand, one hundred twenty-eight".