1212022010 has 8 divisors (see below), whose sum is σ = 2181639636. Its totient is φ = 484808800.

The previous prime is 1212022003. The next prime is 1212022013. The reversal of 1212022010 is 102202121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1025344441 + 186677569 = 32021^2 + 13663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1212021982 and 1212022000.

It is not an unprimeable number, because it can be changed into a prime (1212022013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60601091 + ... + 60601110.

Almost surely, 2^1212022010 is an apocalyptic number.

1212022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212022010 is a deficient number, since it is larger than the sum of its proper divisors (969617626).

1212022010 is a wasteful number, since it uses less digits than its factorization.

1212022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121202208.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1212022010 is about 34814.1064799888. The cubic root of 1212022010 is about 1066.1954762398.

Adding to 1212022010 its reverse (102202121), we get a palindrome (1314224131).

The spelling of 1212022010 in words is "one billion, two hundred twelve million, twenty-two thousand, ten".