203402412042412 has 36 divisors (see below), whose sum is σ = 391261015492480. Its totient is φ = 92454330497760.

The previous prime is 203402412042377. The next prime is 203402412042437. The reversal of 203402412042412 is 214240214204302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31593118 + ... + 37482394.

Almost surely, 2^{203402412042412} is an apocalyptic number.

203402412042412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

203402412042412 is a deficient number, since it is larger than the sum of its proper divisors (187858603450068).

203402412042412 is a wasteful number, since it uses less digits than its factorization.

203402412042412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960662 (or 5960649 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 203402412042412 its reverse (214240214204302), we get a palindrome (417642626246714).

The spelling of 203402412042412 in words is "two hundred three trillion, four hundred two billion, four hundred twelve million, forty-two thousand, four hundred twelve".