1214121210 has 32 divisors (see below), whose sum is σ = 2916060480. Its totient is φ = 323524608.

The previous prime is 1214121203. The next prime is 1214121241. The reversal of 1214121210 is 121214121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1214121210.

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, 27909 + ... + 56631.

It is an arithmetic number, because the mean of its divisors is an integer number (91126890).

Almost surely, 2^1214121210 is an apocalyptic number.

1214121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1214121210 is an abundant number, since it is smaller than the sum of its proper divisors (1701939270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214121210 is a wasteful number, since it uses less digits than its factorization.

1214121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30142.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1214121210 is about 34844.2421355380. The cubic root of 1214121210 is about 1066.8106649129.

Adding to 1214121210 its reverse (121214121), we get a palindrome (1335335331).

The spelling of 1214121210 in words is "one billion, two hundred fourteen million, one hundred twenty-one thousand, two hundred ten".