1221034143014 has 16 divisors (see below), whose sum is σ = 2093595789600. Its totient is φ = 523201746624.

The previous prime is 1221034143011. The next prime is 1221034143019. The reversal of 1221034143014 is 4103414301221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221034143011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8139719 + ... + 8288370.

It is an arithmetic number, because the mean of its divisors is an integer number (130849736850).

Almost surely, 2^{1221034143014} is an apocalyptic number.

1221034143014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1221034143014 is a deficient number, since it is larger than the sum of its proper divisors (872561646586).

1221034143014 is a wasteful number, since it uses less digits than its factorization.

1221034143014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16433407.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1221034143014 its reverse (4103414301221), we get a palindrome (5324448444235).

The spelling of 1221034143014 in words is "one trillion, two hundred twenty-one billion, thirty-four million, one hundred forty-three thousand, fourteen".