2146021012 has 12 divisors (see below), whose sum is σ = 3757150656. Its totient is φ = 1072549400.

The previous prime is 2146021001. The next prime is 2146021013. The reversal of 2146021012 is 2101206412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146021013) 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, 104698 + ... + 123505.

It is an arithmetic number, because the mean of its divisors is an integer number (313095888).

Almost surely, 2^2146021012 is an apocalyptic number.

It is an amenable number.

2146021012 is a deficient number, since it is larger than the sum of its proper divisors (1611129644).

2146021012 is a wasteful number, since it uses less digits than its factorization.

2146021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230558 (or 230556 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2146021012 is about 46325.1660763348. The cubic root of 2146021012 is about 1289.8661824613.

Adding to 2146021012 its reverse (2101206412), we get a palindrome (4247227424).

The spelling of 2146021012 in words is "two billion, one hundred forty-six million, twenty-one thousand, twelve".