1212225010 has 32 divisors (see below), whose sum is σ = 2226459312. Its totient is φ = 475038720.

The previous prime is 1212224953. The next prime is 1212225029. The reversal of 1212225010 is 105222121.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 118004769 + 1094220241 = 10863^2 + 33079^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495390 + ... + 497830.

Almost surely, 2^1212225010 is an apocalyptic number.

1212225010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212225010 is a deficient number, since it is larger than the sum of its proper divisors (1014234302).

1212225010 is a wasteful number, since it uses less digits than its factorization.

1212225010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1212225010 is about 34817.0218427711. The cubic root of 1212225010 is about 1066.2549981510.

Adding to 1212225010 its reverse (105222121), we get a palindrome (1317447131).

The spelling of 1212225010 in words is "one billion, two hundred twelve million, two hundred twenty-five thousand, ten".