1021123502212 has 12 divisors (see below), whose sum is σ = 1949417595216. Its totient is φ = 464147046440.

The previous prime is 1021123502159. The next prime is 1021123502219. The reversal of 1021123502212 is 2122053211201.

1021123502212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1021123502219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11603676118 + ... + 11603676205.

It is an arithmetic number, because the mean of its divisors is an integer number (162451466268).

Almost surely, 2^{1021123502212} is an apocalyptic number.

It is an amenable number.

1021123502212 is a deficient number, since it is larger than the sum of its proper divisors (928294093004).

1021123502212 is a wasteful number, since it uses less digits than its factorization.

1021123502212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23207352338 (or 23207352336 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1021123502212 its reverse (2122053211201), we get a palindrome (3143176713413).

The spelling of 1021123502212 in words is "one trillion, twenty-one billion, one hundred twenty-three million, five hundred two thousand, two hundred twelve".