1022012023412 has 6 divisors (see below), whose sum is σ = 1788521040978. Its totient is φ = 511006011704.

The previous prime is 1022012023381. The next prime is 1022012023489. The reversal of 1022012023412 is 2143202102201.

It can be written as a sum of positive squares in only one way, i.e., 542408682256 + 479603341156 = 736484^2 + 692534^2 .

It is a super-2 number, since 2×1022012023412² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127751502923 + ... + 127751502930.

It is an arithmetic number, because the mean of its divisors is an integer number (298086840163).

Almost surely, 2^{1022012023412} is an apocalyptic number.

It is an amenable number.

1022012023412 is a deficient number, since it is larger than the sum of its proper divisors (766509017566).

1022012023412 is a wasteful number, since it uses less digits than its factorization.

1022012023412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255503005857 (or 255503005855 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1022012023412 its reverse (2143202102201), we get a palindrome (3165214125613).

The spelling of 1022012023412 in words is "one trillion, twenty-two billion, twelve million, twenty-three thousand, four hundred twelve".