1020122011012 has 24 divisors (see below), whose sum is σ = 1934049854016. Its totient is φ = 468006224928.

The previous prime is 1020122011003. The next prime is 1020122011061. The reversal of 1020122011012 is 2101102210201.

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 = 1020122010983 and 1020122011001.

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, 58727038 + ... + 58744405.

It is an arithmetic number, because the mean of its divisors is an integer number (80585410584).

Almost surely, 2^{1020122011012} is an apocalyptic number.

It is an amenable number.

1020122011012 is a deficient number, since it is larger than the sum of its proper divisors (913927843004).

1020122011012 is a wasteful number, since it uses less digits than its factorization.

1020122011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117471627 (or 117471625 counting only the distinct ones).

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

Adding to 1020122011012 its reverse (2101102210201), we get a palindrome (3121224221213).

The spelling of 1020122011012 in words is "one trillion, twenty billion, one hundred twenty-two million, eleven thousand, twelve".