210042121412 has 12 divisors (see below), whose sum is σ = 373059887760. Its totient is φ = 103453582056.

The previous prime is 210042121409. The next prime is 210042121561. The reversal of 210042121412 is 214121240012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391869362 + ... + 391869897.

It is an arithmetic number, because the mean of its divisors is an integer number (31088323980).

Almost surely, 2^210042121412 is an apocalyptic number.

It is an amenable number.

210042121412 is a deficient number, since it is larger than the sum of its proper divisors (163017766348).

210042121412 is a wasteful number, since it uses less digits than its factorization.

210042121412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783739330 (or 783739328 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 210042121412 its reverse (214121240012), we get a palindrome (424163361424).

The spelling of 210042121412 in words is "two hundred ten billion, forty-two million, one hundred twenty-one thousand, four hundred twelve".