102012131211 has 8 divisors (see below), whose sum is σ = 136017960000. Its totient is φ = 68007194952.

The previous prime is 102012131197. The next prime is 102012131231. The reversal of 102012131211 is 112131210201.

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

It is not a de Polignac number, because 102012131211 - 2⁶ = 102012131147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102012131231) by changing a digit.

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, 118116 + ... + 466878.

It is an arithmetic number, because the mean of its divisors is an integer number (17002245000).

Almost surely, 2^102012131211 is an apocalyptic number.

102012131211 is a deficient number, since it is larger than the sum of its proper divisors (34005828789).

102012131211 is an equidigital number, since it uses as much as digits as its factorization.

102012131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446265.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 102012131211 its reverse (112131210201), we get a palindrome (214143341412).

It can be divided in two parts, 10201 and 2131211, that added together give a palindrome (2141412).

The spelling of 102012131211 in words is "one hundred two billion, twelve million, one hundred thirty-one thousand, two hundred eleven".