1212506434 has 8 divisors (see below), whose sum is σ = 1820426940. Its totient is φ = 605697456.

The previous prime is 1212506431. The next prime is 1212506513. The reversal of 1212506434 is 4346052121.

It can be written as a sum of positive squares in 2 ways, for example, as 1210692025 + 1814409 = 34795^2 + 1347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1212506431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275149 + ... + 279520.

Almost surely, 2^1212506434 is an apocalyptic number.

1212506434 is a deficient number, since it is larger than the sum of its proper divisors (607920506).

1212506434 is a wasteful number, since it uses less digits than its factorization.

1212506434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555764.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1212506434 is about 34821.0630796936. The cubic root of 1212506434 is about 1066.3375038811.

Adding to 1212506434 its reverse (4346052121), we get a palindrome (5558558555).

The spelling of 1212506434 in words is "one billion, two hundred twelve million, five hundred six thousand, four hundred thirty-four".