1212014042 has 4 divisors (see below), whose sum is σ = 1818021066. Its totient is φ = 606007020.

The previous prime is 1212013969. The next prime is 1212014053. The reversal of 1212014042 is 2404102121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1179853801 + 32160241 = 34349^2 + 5671^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1212014042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303003509 + ... + 303003512.

Almost surely, 2^1212014042 is an apocalyptic number.

1212014042 is a deficient number, since it is larger than the sum of its proper divisors (606007024).

1212014042 is an equidigital number, since it uses as much as digits as its factorization.

1212014042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606007023.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1212014042 is about 34813.9920434299. The cubic root of 1212014042 is about 1066.1931397959.

Adding to 1212014042 its reverse (2404102121), we get a palindrome (3616116163).

It can be divided in two parts, 12120 and 14042, that added together give a palindrome (26162).

The spelling of 1212014042 in words is "one billion, two hundred twelve million, fourteen thousand, forty-two".