1012021220104 has 16 divisors (see below), whose sum is σ = 1897574112000. Its totient is φ = 506001456912.

The previous prime is 1012021220087. The next prime is 1012021220131. The reversal of 1012021220104 is 4010221202101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662304 + ... + 1569295.

It is an arithmetic number, because the mean of its divisors is an integer number (118598382000).

Almost surely, 2^{1012021220104} is an apocalyptic number.

It is an amenable number.

1012021220104 is a deficient number, since it is larger than the sum of its proper divisors (885552891896).

1012021220104 is a wasteful number, since it uses less digits than its factorization.

1012021220104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288292 (or 2288288 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1012021220104 its reverse (4010221202101), we get a palindrome (5022242422205).

The spelling of 1012021220104 in words is "one trillion, twelve billion, twenty-one million, two hundred twenty thousand, one hundred four".