1022001612 has 12 divisors (see below), whose sum is σ = 2384670456. Its totient is φ = 340667200.

The previous prime is 1022001593. The next prime is 1022001613. The reversal of 1022001612 is 2161002201.

1022001612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1022001591 and 1022001600.

It is not an unprimeable number, because it can be changed into a prime (1022001613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42583389 + ... + 42583412.

It is an arithmetic number, because the mean of its divisors is an integer number (198722538).

Almost surely, 2^1022001612 is an apocalyptic number.

1022001612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022001612 is an abundant number, since it is smaller than the sum of its proper divisors (1362668844).

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

1022001612 is a wasteful number, since it uses less digits than its factorization.

1022001612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85166808 (or 85166806 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1022001612 is about 31968.7599384149. The cubic root of 1022001612 is about 1007.2807329461.

Adding to 1022001612 its reverse (2161002201), we get a palindrome (3183003813).

The spelling of 1022001612 in words is "one billion, twenty-two million, one thousand, six hundred twelve".