1001011220012 has 24 divisors (see below), whose sum is σ = 1753639104000. Its totient is φ = 499971767760.

The previous prime is 1001011219921. The next prime is 1001011220039. The reversal of 1001011220012 is 2100221101001.

It is a super-3 number, since 3×1001011220012³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001011219975 and 1001011220002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14446193 + ... + 14515319.

It is an arithmetic number, because the mean of its divisors is an integer number (73068296000).

Almost surely, 2^{1001011220012} is an apocalyptic number.

It is an amenable number.

1001011220012 is a deficient number, since it is larger than the sum of its proper divisors (752627883988).

1001011220012 is a wasteful number, since it uses less digits than its factorization.

1001011220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72941 (or 72939 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001011220012 its reverse (2100221101001), we get a palindrome (3101232321013).

The spelling of 1001011220012 in words is "one trillion, one billion, eleven million, two hundred twenty thousand, twelve".