20121202203 has 32 divisors (see below), whose sum is σ = 27229063680. Its totient is φ = 13215870720.

The previous prime is 20121202151. The next prime is 20121202207. The reversal of 20121202203 is 30220212102.

It is a happy number.

It is not a de Polignac number, because 20121202203 - 2¹³ = 20121194011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20121202207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45420100 + ... + 45420542.

It is an arithmetic number, because the mean of its divisors is an integer number (850908240).

Almost surely, 2^20121202203 is an apocalyptic number.

20121202203 is a deficient number, since it is larger than the sum of its proper divisors (7107861477).

20121202203 is a wasteful number, since it uses less digits than its factorization.

20121202203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20121202203 its reverse (30220212102), we get a palindrome (50341414305).

The spelling of 20121202203 in words is "twenty billion, one hundred twenty-one million, two hundred two thousand, two hundred three".