211403620412 has 6 divisors (see below), whose sum is σ = 369956335728. Its totient is φ = 105701810204.

The previous prime is 211403620369. The next prime is 211403620433. The reversal of 211403620412 is 214026304112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26425452548 + ... + 26425452555.

It is an arithmetic number, because the mean of its divisors is an integer number (61659389288).

Almost surely, 2^211403620412 is an apocalyptic number.

It is an amenable number.

211403620412 is a deficient number, since it is larger than the sum of its proper divisors (158552715316).

211403620412 is a wasteful number, since it uses less digits than its factorization.

211403620412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52850905107 (or 52850905105 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 211403620412 its reverse (214026304112), we get a palindrome (425429924524).

The spelling of 211403620412 in words is "two hundred eleven billion, four hundred three million, six hundred twenty thousand, four hundred twelve".