1212234015 has 32 divisors (see below), whose sum is σ = 1975438080. Its totient is φ = 634639104.

The previous prime is 1212233983. The next prime is 1212234031. The reversal of 1212234015 is 5104322121.

It is not a de Polignac number, because 1212234015 - 2⁵ = 1212233983 is a prime.

It is a super-2 number, since 2×1212234015² = 2939022614246040450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212233982 and 1212234000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306571 + ... + 310499.

It is an arithmetic number, because the mean of its divisors is an integer number (61732440).

Almost surely, 2^1212234015 is an apocalyptic number.

1212234015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1212234015 is a deficient number, since it is larger than the sum of its proper divisors (763204065).

1212234015 is a wasteful number, since it uses less digits than its factorization.

1212234015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1212234015 is about 34817.1511614606. The cubic root of 1212234015 is about 1066.2576383655.

Adding to 1212234015 its reverse (5104322121), we get a palindrome (6316556136).

The spelling of 1212234015 in words is "one billion, two hundred twelve million, two hundred thirty-four thousand, fifteen".