201203121012 has 48 divisors (see below), whose sum is σ = 494241538560. Its totient is φ = 63530314848.

The previous prime is 201203120999. The next prime is 201203121017. The reversal of 201203121012 is 210121302102.

It is a junction number, because it is equal to n+sod(n) for n = 201203120982 and 201203121000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201203121017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068993 + ... + 2164055.

It is an arithmetic number, because the mean of its divisors is an integer number (10296698720).

Almost surely, 2^201203121012 is an apocalyptic number.

It is an amenable number.

201203121012 is an abundant number, since it is smaller than the sum of its proper divisors (293038417548).

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

201203121012 is a wasteful number, since it uses less digits than its factorization.

201203121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104372 (or 104370 counting only the distinct ones).

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

Adding to 201203121012 its reverse (210121302102), we get a palindrome (411324423114).

The spelling of 201203121012 in words is "two hundred one billion, two hundred three million, one hundred twenty-one thousand, twelve".