1022321544212 has 6 divisors (see below), whose sum is σ = 1789062702378. Its totient is φ = 511160772104.

The previous prime is 1022321544203. The next prime is 1022321544221. The reversal of 1022321544212 is 2124451232201.

It is an interprime number because it is at equal distance from previous prime (1022321544203) and next prime (1022321544221).

It can be written as a sum of positive squares in only one way, i.e., 536169559696 + 486151984516 = 732236^2 + 697246^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127790193023 + ... + 127790193030.

It is an arithmetic number, because the mean of its divisors is an integer number (298177117063).

Almost surely, 2^{1022321544212} is an apocalyptic number.

It is an amenable number.

1022321544212 is a deficient number, since it is larger than the sum of its proper divisors (766741158166).

1022321544212 is a wasteful number, since it uses less digits than its factorization.

1022321544212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255580386057 (or 255580386055 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 1022321544212 its reverse (2124451232201), we get a palindrome (3146772776413).

The spelling of 1022321544212 in words is "one trillion, twenty-two billion, three hundred twenty-one million, five hundred forty-four thousand, two hundred twelve".