121322223042013 has 16 divisors (see below), whose sum is σ = 140455102132224. Its totient is φ = 102647940111360.

The previous prime is 121322223041983. The next prime is 121322223042049. The reversal of 121322223042013 is 310240322223121.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-121322223042013 is a prime.

It is a super-2 number, since 2×121322223042013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121322223040013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346196548 + ... + 346546813.

It is an arithmetic number, because the mean of its divisors is an integer number (8778443883264).

Almost surely, 2^{121322223042013} is an apocalyptic number.

It is an amenable number.

121322223042013 is a deficient number, since it is larger than the sum of its proper divisors (19132879090211).

121322223042013 is a wasteful number, since it uses less digits than its factorization.

121322223042013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692743692.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 121322223042013 its reverse (310240322223121), we get a palindrome (431562545265134).

The spelling of 121322223042013 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, two hundred twenty-three million, forty-two thousand, thirteen".