1243212014 has 32 divisors (see below), whose sum is σ = 2067327360. Its totient is φ = 555992800.

The previous prime is 1243211999. The next prime is 1243212029. The reversal of 1243212014 is 4102123421.

It is an interprime number because it is at equal distance from previous prime (1243211999) and next prime (1243212029).

It is a super-2 number, since 2×1243212014² = 3091152223507872392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489929 + ... + 492459.

It is an arithmetic number, because the mean of its divisors is an integer number (64603980).

Almost surely, 2^1243212014 is an apocalyptic number.

1243212014 is a deficient number, since it is larger than the sum of its proper divisors (824115346).

1243212014 is a wasteful number, since it uses less digits than its factorization.

1243212014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1243212014 is about 35259.2117609002. The cubic root of 1243212014 is about 1075.2639017499.

Adding to 1243212014 its reverse (4102123421), we get a palindrome (5345335435).

The spelling of 1243212014 in words is "one billion, two hundred forty-three million, two hundred twelve thousand, fourteen".