1006651122412 has 96 divisors (see below), whose sum is σ = 1998492217344. Its totient is φ = 440431430400.

The previous prime is 1006651122397. The next prime is 1006651122413. The reversal of 1006651122412 is 2142211566001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (1006651122413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55267987 + ... + 55286197.

It is an arithmetic number, because the mean of its divisors is an integer number (20817627264).

Almost surely, 2^{1006651122412} is an apocalyptic number.

It is an amenable number.

1006651122412 is a deficient number, since it is larger than the sum of its proper divisors (991841094932).

1006651122412 is a wasteful number, since it uses less digits than its factorization.

1006651122412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18959 (or 18957 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 1006651122412 its reverse (2142211566001), we get a palindrome (3148862688413).

The spelling of 1006651122412 in words is "one trillion, six billion, six hundred fifty-one million, one hundred twenty-two thousand, four hundred twelve".