1212434330 has 16 divisors (see below), whose sum is σ = 2210008320. Its totient is φ = 478834512.

The previous prime is 1212434323. The next prime is 1212434341. The reversal of 1212434330 is 334342121.

It is a junction number, because it is equal to n+sod(n) for n = 1212434296 and 1212434305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766574 + ... + 768153.

It is an arithmetic number, because the mean of its divisors is an integer number (138125520).

Almost surely, 2^1212434330 is an apocalyptic number.

1212434330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212434330 is a deficient number, since it is larger than the sum of its proper divisors (997573990).

1212434330 is a wasteful number, since it uses less digits than its factorization.

1212434330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534813.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1212434330 is about 34820.0277139465. The cubic root of 1212434330 is about 1066.3163661999.

Adding to 1212434330 its reverse (334342121), we get a palindrome (1546776451).

The spelling of 1212434330 in words is "one billion, two hundred twelve million, four hundred thirty-four thousand, three hundred thirty".