1214120431405 has 16 divisors (see below), whose sum is σ = 1672350549120. Its totient is φ = 828904174272.

The previous prime is 1214120431339. The next prime is 1214120431523. The reversal of 1214120431405 is 5041340214121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1214120431405 - 2⁹ = 1214120430893 is a prime.

It is a congruent number.

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, 75732499 + ... + 75748528.

It is an arithmetic number, because the mean of its divisors is an integer number (104521909320).

Almost surely, 2^{1214120431405} is an apocalyptic number.

It is an amenable number.

1214120431405 is a deficient number, since it is larger than the sum of its proper divisors (458230117715).

1214120431405 is a wasteful number, since it uses less digits than its factorization.

1214120431405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151481268.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1214120431405 its reverse (5041340214121), we get a palindrome (6255460645526).

The spelling of 1214120431405 in words is "one trillion, two hundred fourteen billion, one hundred twenty million, four hundred thirty-one thousand, four hundred five".