203120000323212 has 48 divisors (see below), whose sum is σ = 541655674560000. Its totient is φ = 58034035053312.

The previous prime is 203120000323187. The next prime is 203120000323259. The reversal of 203120000323212 is 212323000021302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14786164 + ... + 24997412.

It is an arithmetic number, because the mean of its divisors is an integer number (11284493220000).

Almost surely, 2^{203120000323212} is an apocalyptic number.

It is an amenable number.

203120000323212 is an abundant number, since it is smaller than the sum of its proper divisors (338535674236788).

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

203120000323212 is a wasteful number, since it uses less digits than its factorization.

203120000323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10448070 (or 10448068 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203120000323212 its reverse (212323000021302), we get a palindrome (415443000344514).

The spelling of 203120000323212 in words is "two hundred three trillion, one hundred twenty billion, three hundred twenty-three thousand, two hundred twelve".