1020011212012 has 12 divisors (see below), whose sum is σ = 1922328822736. Its totient is φ = 470774405520.

The previous prime is 1020011212001. The next prime is 1020011212049. The reversal of 1020011212012 is 2102121100201.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1020011211983 and 1020011212001.

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, 9807800064 + ... + 9807800167.

Almost surely, 2^{1020011212012} is an apocalyptic number.

It is an amenable number.

1020011212012 is a deficient number, since it is larger than the sum of its proper divisors (902317610724).

1020011212012 is a wasteful number, since it uses less digits than its factorization.

1020011212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19615600248 (or 19615600246 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020011212012 its reverse (2102121100201), we get a palindrome (3122132312213).

The spelling of 1020011212012 in words is "one trillion, twenty billion, eleven million, two hundred twelve thousand, twelve".