1003202121012 has 96 divisors (see below), whose sum is σ = 2947990628352. Its totient is φ = 258427725696.

The previous prime is 1003202120993. The next prime is 1003202121037. The reversal of 1003202121012 is 2101212023001.

It is a junction number, because it is equal to n+sod(n) for n = 1003202120982 and 1003202121000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10635408 + ... + 10729319.

It is an arithmetic number, because the mean of its divisors is an integer number (30708235712).

Almost surely, 2^{1003202121012} is an apocalyptic number.

1003202121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1003202121012 is an abundant number, since it is smaller than the sum of its proper divisors (1944788507340).

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

1003202121012 is a wasteful number, since it uses less digits than its factorization.

1003202121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21364797 (or 21364795 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1003202121012 its reverse (2101212023001), we get a palindrome (3104414144013).

The spelling of 1003202121012 in words is "one trillion, three billion, two hundred two million, one hundred twenty-one thousand, twelve".