1000323021412 has 24 divisors (see below), whose sum is σ = 2056608171072. Its totient is φ = 419715952800.

The previous prime is 1000323021377. The next prime is 1000323021413. The reversal of 1000323021412 is 2141203230001.

It is a happy number.

It is a super-2 number, since 2×1000323021412² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000323021412.

It is not an unprimeable number, because it can be changed into a prime (1000323021413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874407664 + ... + 874408807.

It is an arithmetic number, because the mean of its divisors is an integer number (85692007128).

Almost surely, 2^{1000323021412} is an apocalyptic number.

It is an amenable number.

1000323021412 is an abundant number, since it is smaller than the sum of its proper divisors (1056285149660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000323021412 is a wasteful number, since it uses less digits than its factorization.

1000323021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748816499 (or 1748816497 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1000323021412 its reverse (2141203230001), we get a palindrome (3141526251413).

The spelling of 1000323021412 in words is "one trillion, three hundred twenty-three million, twenty-one thousand, four hundred twelve".