1214521540122 has 64 divisors (see below), whose sum is σ = 2689740979200. Its totient is φ = 362499857280.

The previous prime is 1214521540109. The next prime is 1214521540139. The reversal of 1214521540122 is 2210451254121.

It is a self number, because there is not a number n which added to its sum of digits gives 1214521540122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67731654 + ... + 67749582.

It is an arithmetic number, because the mean of its divisors is an integer number (42027202800).

Almost surely, 2^{1214521540122} is an apocalyptic number.

1214521540122 is an abundant number, since it is smaller than the sum of its proper divisors (1475219439078).

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

1214521540122 is a wasteful number, since it uses less digits than its factorization.

1214521540122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33331.

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 1214521540122 its reverse (2210451254121), we get a palindrome (3424972794243).

The spelling of 1214521540122 in words is "one trillion, two hundred fourteen billion, five hundred twenty-one million, five hundred forty thousand, one hundred twenty-two".