1202000021012 has 48 divisors (see below), whose sum is σ = 2436131322240. Its totient is φ = 508273754112.

The previous prime is 1202000021011. The next prime is 1202000021021. The reversal of 1202000021012 is 2101200002021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1202000020984 and 1202000021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202000021011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1450868 + ... + 2123444.

It is an arithmetic number, because the mean of its divisors is an integer number (50752735880).

Almost surely, 2^{1202000021012} is an apocalyptic number.

It is an amenable number.

1202000021012 is an abundant number, since it is smaller than the sum of its proper divisors (1234131301228).

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

1202000021012 is a wasteful number, since it uses less digits than its factorization.

1202000021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673440 (or 673438 counting only the distinct ones).

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

Adding to 1202000021012 its reverse (2101200002021), we get a palindrome (3303200023033).

The spelling of 1202000021012 in words is "one trillion, two hundred two billion, twenty-one thousand, twelve".