1203323003212 has 96 divisors (see below), whose sum is σ = 2422344637440. Its totient is φ = 517689722880.

The previous prime is 1203323003209. The next prime is 1203323003213. The reversal of 1203323003212 is 2123003233021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1203323003213) 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, 155203528 + ... + 155211280.

It is an arithmetic number, because the mean of its divisors is an integer number (25232756640).

Almost surely, 2^{1203323003212} is an apocalyptic number.

It is an amenable number.

1203323003212 is an abundant number, since it is smaller than the sum of its proper divisors (1219021634228).

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

1203323003212 is a wasteful number, since it uses less digits than its factorization.

1203323003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9383 (or 9381 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1203323003212 its reverse (2123003233021), we get a palindrome (3326326236233).

The spelling of 1203323003212 in words is "one trillion, two hundred three billion, three hundred twenty-three million, three thousand, two hundred twelve".