1214212402 has 32 divisors (see below), whose sum is σ = 2028063744. Its totient is φ = 541425600.

The previous prime is 1214212357. The next prime is 1214212421. The reversal of 1214212402 is 2042124121.

It is a self number, because there is not a number n which added to its sum of digits gives 1214212402.

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, 802827 + ... + 804337.

It is an arithmetic number, because the mean of its divisors is an integer number (63376992).

Almost surely, 2^1214212402 is an apocalyptic number.

1214212402 is a deficient number, since it is larger than the sum of its proper divisors (813851342).

1214212402 is a wasteful number, since it uses less digits than its factorization.

1214212402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1214212402 is about 34845.5506772386. The cubic root of 1214212402 is about 1066.8373734386.

Adding to 1214212402 its reverse (2042124121), we get a palindrome (3256336523).

The spelling of 1214212402 in words is "one billion, two hundred fourteen million, two hundred twelve thousand, four hundred two".