2120503312 has 10 divisors (see below), whose sum is σ = 4108475198. Its totient is φ = 1060251648.

The previous prime is 2120503249. The next prime is 2120503367. The reversal of 2120503312 is 2133050212.

It can be written as a sum of positive squares in only one way, i.e., 1895383296 + 225120016 = 43536^2 + 15004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2120503312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66265713 + ... + 66265744.

Almost surely, 2^2120503312 is an apocalyptic number.

It is an amenable number.

2120503312 is a deficient number, since it is larger than the sum of its proper divisors (1987971886).

2120503312 is a wasteful number, since it uses less digits than its factorization.

2120503312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132531465 (or 132531459 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2120503312 is about 46048.9230275801. The cubic root of 2120503312 is about 1284.7333117011.

Adding to 2120503312 its reverse (2133050212), we get a palindrome (4253553524).

The spelling of 2120503312 in words is "two billion, one hundred twenty million, five hundred three thousand, three hundred twelve".