1021232212012 has 24 divisors (see below), whose sum is σ = 1830890421360. Its totient is φ = 498122634240.

The previous prime is 1021232211997. The next prime is 1021232212031. The reversal of 1021232212012 is 2102122321201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1888668 + ... + 2368444.

It is an arithmetic number, because the mean of its divisors is an integer number (76287100890).

Almost surely, 2^{1021232212012} is an apocalyptic number.

It is an amenable number.

1021232212012 is a deficient number, since it is larger than the sum of its proper divisors (809658209348).

1021232212012 is a wasteful number, since it uses less digits than its factorization.

1021232212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492801 (or 492799 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1021232212012 its reverse (2102122321201), we get a palindrome (3123354533213).

The spelling of 1021232212012 in words is "one trillion, twenty-one billion, two hundred thirty-two million, two hundred twelve thousand, twelve".