1214012811 has 16 divisors (see below), whose sum is σ = 1766469888. Its totient is φ = 735501600.

The previous prime is 1214012803. The next prime is 1214012827. The reversal of 1214012811 is 1182104121.

It is not a de Polignac number, because 1214012811 - 2³ = 1214012803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214012801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127641 + ... + 136821.

It is an arithmetic number, because the mean of its divisors is an integer number (110404368).

Almost surely, 2^1214012811 is an apocalyptic number.

1214012811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1214012811 is a deficient number, since it is larger than the sum of its proper divisors (552457077).

1214012811 is a wasteful number, since it uses less digits than its factorization.

1214012811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13202.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 1214012811 is about 34842.6866214418. The cubic root of 1214012811 is about 1066.7789150211.

Adding to 1214012811 its reverse (1182104121), we get a palindrome (2396116932).

The spelling of 1214012811 in words is "one billion, two hundred fourteen million, twelve thousand, eight hundred eleven".