1212402070 has 32 divisors (see below), whose sum is σ = 2383209216. Its totient is φ = 440412000.

The previous prime is 1212402047. The next prime is 1212402091. The reversal of 1212402070 is 702042121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110367 + ... + 120853.

It is an arithmetic number, because the mean of its divisors is an integer number (74475288).

Almost surely, 2^1212402070 is an apocalyptic number.

1212402070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212402070 is a deficient number, since it is larger than the sum of its proper divisors (1170807146).

1212402070 is a wasteful number, since it uses less digits than its factorization.

1212402070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11556.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1212402070 is about 34819.5644717162. The cubic root of 1212402070 is about 1066.3069087334.

Adding to 1212402070 its reverse (702042121), we get a palindrome (1914444191).

The spelling of 1212402070 in words is "one billion, two hundred twelve million, four hundred two thousand, seventy".