1022011412 has 12 divisors (see below), whose sum is σ = 1788955476. Its totient is φ = 510881280.

The previous prime is 1022011411. The next prime is 1022011427. The reversal of 1022011412 is 2141102201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 806332816 + 215678596 = 28396^2 + 14686^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022011411) 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, 11213 + ... + 46580.

It is an arithmetic number, because the mean of its divisors is an integer number (149079623).

Almost surely, 2^1022011412 is an apocalyptic number.

It is an amenable number.

1022011412 is a deficient number, since it is larger than the sum of its proper divisors (766944064).

1022011412 is a wasteful number, since it uses less digits than its factorization.

1022011412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62218 (or 62216 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1022011412 is about 31968.9132126821. The cubic root of 1022011412 is about 1007.2839525495.

Adding to 1022011412 its reverse (2141102201), we get a palindrome (3163113613).

The spelling of 1022011412 in words is "one billion, twenty-two million, eleven thousand, four hundred twelve".