1020000100012 has 12 divisors (see below), whose sum is σ = 1785218154496. Its totient is φ = 509937770160.

The previous prime is 1020000100003. The next prime is 1020000100019. The reversal of 1020000100012 is 2100010000201.

It is a junction number, because it is equal to n+sod(n) for n = 1020000099968 and 1020000100004.

It is not an unprimeable number, because it can be changed into a prime (1020000100019) 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, 15533103 + ... + 15598630.

Almost surely, 2^{1020000100012} is an apocalyptic number.

It is an amenable number.

1020000100012 is a deficient number, since it is larger than the sum of its proper divisors (765218054484).

1020000100012 is a wasteful number, since it uses less digits than its factorization.

1020000100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31139928 (or 31139926 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1020000100012 its reverse (2100010000201), we get a palindrome (3120010100213).

The spelling of 1020000100012 in words is "one trillion, twenty billion, one hundred thousand, twelve".