211202412434 has 32 divisors (see below), whose sum is σ = 348362187264. Its totient is φ = 95431976640.

The previous prime is 211202412413. The next prime is 211202412469. The reversal of 211202412434 is 434214202112.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472499 + ... + 803529.

It is an arithmetic number, because the mean of its divisors is an integer number (10886318352).

Almost surely, 2^211202412434 is an apocalyptic number.

211202412434 is a deficient number, since it is larger than the sum of its proper divisors (137159774830).

211202412434 is a wasteful number, since it uses less digits than its factorization.

211202412434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331562.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211202412434 its reverse (434214202112), we get a palindrome (645416614546).

The spelling of 211202412434 in words is "two hundred eleven billion, two hundred two million, four hundred twelve thousand, four hundred thirty-four".