42103311212 has 48 divisors (see below), whose sum is σ = 78317460480. Its totient is φ = 19749484800.

The previous prime is 42103311209. The next prime is 42103311259. The reversal of 42103311212 is 21211330124.

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 15 ways as a sum of consecutive naturals, for example, 3433412 + ... + 3445652.

It is an arithmetic number, because the mean of its divisors is an integer number (1631613760).

Almost surely, 2^42103311212 is an apocalyptic number.

It is an amenable number.

42103311212 is a deficient number, since it is larger than the sum of its proper divisors (36214149268).

42103311212 is a wasteful number, since it uses less digits than its factorization.

42103311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12702 (or 12700 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 42103311212 its reverse (21211330124), we get a palindrome (63314641336).

The spelling of 42103311212 in words is "forty-two billion, one hundred three million, three hundred eleven thousand, two hundred twelve".