1012020220012 has 12 divisors (see below), whose sum is σ = 1790934659640. Its totient is φ = 500324602976.

The previous prime is 1012020220007. The next prime is 1012020220069. The reversal of 1012020220012 is 2100220202101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012020219974 and 1012020220001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421376358 + ... + 1421377069.

It is an arithmetic number, because the mean of its divisors is an integer number (149244554970).

Almost surely, 2^{1012020220012} is an apocalyptic number.

It is an amenable number.

1012020220012 is a deficient number, since it is larger than the sum of its proper divisors (778914439628).

1012020220012 is a wasteful number, since it uses less digits than its factorization.

1012020220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842753520 (or 2842753518 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1012020220012 its reverse (2100220202101), we get a palindrome (3112240422113).

The spelling of 1012020220012 in words is "one trillion, twelve billion, twenty million, two hundred twenty thousand, twelve".