203212459240990 has 8 divisors (see below), whose sum is σ = 365782426633800. Its totient is φ = 81284983696392.

The previous prime is 203212459240979. The next prime is 203212459240993. The reversal of 203212459240990 is 99042954212302.

It is a happy number.

203212459240990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203212459240993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10160622962040 + ... + 10160622962059.

It is an arithmetic number, because the mean of its divisors is an integer number (45722803329225).

Almost surely, 2^{203212459240990} is an apocalyptic number.

203212459240990 is a deficient number, since it is larger than the sum of its proper divisors (162569967392810).

203212459240990 is a wasteful number, since it uses less digits than its factorization.

203212459240990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20321245924106.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 203212459240990 in words is "two hundred three trillion, two hundred twelve billion, four hundred fifty-nine million, two hundred forty thousand, nine hundred ninety".