102212044043402 has 16 divisors (see below), whose sum is σ = 153647783520000. Its totient is φ = 50996146160160.

The previous prime is 102212044043401. The next prime is 102212044043419. The reversal of 102212044043402 is 204340440212201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102212044043401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658202 + ... + 14312837.

It is an arithmetic number, because the mean of its divisors is an integer number (9602986470000).

Almost surely, 2^{102212044043402} is an apocalyptic number.

102212044043402 is a deficient number, since it is larger than the sum of its proper divisors (51435739476598).

102212044043402 is a wasteful number, since it uses less digits than its factorization.

102212044043402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14978381.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 102212044043402 its reverse (204340440212201), we get a palindrome (306552484255603).

The spelling of 102212044043402 in words is "one hundred two trillion, two hundred twelve billion, forty-four million, forty-three thousand, four hundred two".