1212144332 has 24 divisors (see below), whose sum is σ = 2425086720. Its totient is φ = 519319440.

The previous prime is 1212144331. The next prime is 1212144337. The reversal of 1212144332 is 2334412121.

It is a junction number, because it is equal to n+sod(n) for n = 1212144298 and 1212144307.

It is not an unprimeable number, because it can be changed into a prime (1212144331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118019 + ... + 127877.

It is an arithmetic number, because the mean of its divisors is an integer number (101045280).

Almost surely, 2^1212144332 is an apocalyptic number.

It is an amenable number.

1212144332 is an abundant number, since it is smaller than the sum of its proper divisors (1212942388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212144332 is a wasteful number, since it uses less digits than its factorization.

1212144332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14261 (or 14259 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1212144332 is about 34815.8632235365. The cubic root of 1212144332 is about 1066.2313432386.

Adding to 1212144332 its reverse (2334412121), we get a palindrome (3546556453).

The spelling of 1212144332 in words is "one billion, two hundred twelve million, one hundred forty-four thousand, three hundred thirty-two".