1020122012 has 48 divisors (see below), whose sum is σ = 2200192512. Its totient is φ = 403012800.

The previous prime is 1020122003. The next prime is 1020122029. The reversal of 1020122012 is 2102210201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020121984 and 1020122002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356387 + ... + 359237.

It is an arithmetic number, because the mean of its divisors is an integer number (45837344).

Almost surely, 2^1020122012 is an apocalyptic number.

It is an amenable number.

1020122012 is an abundant number, since it is smaller than the sum of its proper divisors (1180070500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020122012 is a wasteful number, since it uses less digits than its factorization.

1020122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858 (or 3856 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1020122012 is about 31939.3489601776. The cubic root of 1020122012 is about 1006.6628452311.

Adding to 1020122012 its reverse (2102210201), we get a palindrome (3122332213).

The spelling of 1020122012 in words is "one billion, twenty million, one hundred twenty-two thousand, twelve".