121202013 has 8 divisors (see below), whose sum is σ = 161745376. Its totient is φ = 80730000.

The previous prime is 121201981. The next prime is 121202017. The reversal of 121202013 is 310202121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121202013 - 2⁵ = 121201981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121202013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202017) 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, 13738 + ... + 20763.

It is an arithmetic number, because the mean of its divisors is an integer number (20218172).

Almost surely, 2^121202013 is an apocalyptic number.

It is an amenable number.

121202013 is a deficient number, since it is larger than the sum of its proper divisors (40543363).

121202013 is a wasteful number, since it uses less digits than its factorization.

121202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35675.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121202013 is about 11009.1785797125. The cubic root of 121202013 is about 494.8838458202.

Adding to 121202013 its reverse (310202121), we get a palindrome (431404134).

It can be divided in two parts, 12 and 1202013, that added together give a triangular number (1202025 = T₁₅₅₀).

The spelling of 121202013 in words is "one hundred twenty-one million, two hundred two thousand, thirteen".