1225101412 has 6 divisors (see below), whose sum is σ = 2143927478. Its totient is φ = 612550704.

The previous prime is 1225101407. The next prime is 1225101421. The reversal of 1225101412 is 2141015221.

It can be written as a sum of positive squares in only one way, i.e., 1203812416 + 21288996 = 34696^2 + 4614^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1225101412.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153137673 + ... + 153137680.

Almost surely, 2^1225101412 is an apocalyptic number.

It is an amenable number.

1225101412 is a deficient number, since it is larger than the sum of its proper divisors (918826066).

1225101412 is a wasteful number, since it uses less digits than its factorization.

1225101412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306275357 (or 306275355 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1225101412 is about 35001.4487128747. The cubic root of 1225101412 is about 1070.0170061640.

Adding to 1225101412 its reverse (2141015221), we get a palindrome (3366116633).

The spelling of 1225101412 in words is "one billion, two hundred twenty-five million, one hundred one thousand, four hundred twelve".