121213132014 has 64 divisors (see below), whose sum is σ = 268553533248. Its totient is φ = 36235468800.

The previous prime is 121213132009. The next prime is 121213132069. The reversal of 121213132014 is 410231312121.

It is a Curzon number.

It is a congruent number.

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, 692082 + ... + 849354.

It is an arithmetic number, because the mean of its divisors is an integer number (4196148957).

Almost surely, 2^121213132014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121213132014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134276766624).

121213132014 is an abundant number, since it is smaller than the sum of its proper divisors (147340401234).

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

121213132014 is a wasteful number, since it uses less digits than its factorization.

121213132014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157573.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121213132014 its reverse (410231312121), we get a palindrome (531444444135).

The spelling of 121213132014 in words is "one hundred twenty-one billion, two hundred thirteen million, one hundred thirty-two thousand, fourteen".