1022120012 has 48 divisors (see below), whose sum is σ = 1869772800. Its totient is φ = 488592000.

The previous prime is 1022120009. The next prime is 1022120059. The reversal of 1022120012 is 2100212201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1022119975 and 1022120002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360637 + ... + 1361387.

It is an arithmetic number, because the mean of its divisors is an integer number (38953600).

Almost surely, 2^1022120012 is an apocalyptic number.

It is an amenable number.

1022120012 is a deficient number, since it is larger than the sum of its proper divisors (847652788).

1022120012 is a wasteful number, since it uses less digits than its factorization.

1022120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1022120012 is about 31970.6116926155. The cubic root of 1022120012 is about 1007.3196296341.

Adding to 1022120012 its reverse (2100212201), we get a palindrome (3122332213).

The spelling of 1022120012 in words is "one billion, twenty-two million, one hundred twenty thousand, twelve".