121436214053502 has 16 divisors (see below), whose sum is σ = 242877881180160. Its totient is φ = 40477829172312.

The previous prime is 121436214053501. The next prime is 121436214053509. The reversal of 121436214053502 is 205350412634121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121436214053501) 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, 226921852 + ... + 227456367.

It is an arithmetic number, because the mean of its divisors is an integer number (15179867573760).

Almost surely, 2^{121436214053502} is an apocalyptic number.

121436214053502 is an abundant number, since it is smaller than the sum of its proper divisors (121441667126658).

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

121436214053502 is a wasteful number, since it uses less digits than its factorization.

121436214053502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454422767.

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 121436214053502 its reverse (205350412634121), we get a palindrome (326786626687623).

The spelling of 121436214053502 in words is "one hundred twenty-one trillion, four hundred thirty-six billion, two hundred fourteen million, fifty-three thousand, five hundred two".