101211143212 has 24 divisors (see below), whose sum is σ = 179288070192. Its totient is φ = 49986216000.

The previous prime is 101211143177. The next prime is 101211143233. The reversal of 101211143212 is 212341112101.

It is a self number, because there is not a number n which added to its sum of digits gives 101211143212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1879462 + ... + 1932562.

It is an arithmetic number, because the mean of its divisors is an integer number (7470336258).

Almost surely, 2^101211143212 is an apocalyptic number.

It is an amenable number.

101211143212 is a deficient number, since it is larger than the sum of its proper divisors (78076926980).

101211143212 is a wasteful number, since it uses less digits than its factorization.

101211143212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58929 (or 58927 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 101211143212 its reverse (212341112101), we get a palindrome (313552255313).

The spelling of 101211143212 in words is "one hundred one billion, two hundred eleven million, one hundred forty-three thousand, two hundred twelve".