121213463 has 8 divisors (see below), whose sum is σ = 138617760. Its totient is φ = 103831200.

The previous prime is 121213453. The next prime is 121213471. The reversal of 121213463 is 364312121.

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

It is a cyclic number.

It is not a de Polignac number, because 121213463 - 2⁶ = 121213399 is a prime.

It is a super-2 number, since 2×121213463² = 29385407224904738, which 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 (121213403) 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, 8753 + ... + 17861.

It is an arithmetic number, because the mean of its divisors is an integer number (17327220).

Almost surely, 2^121213463 is an apocalyptic number.

121213463 is a deficient number, since it is larger than the sum of its proper divisors (17404297).

121213463 is an equidigital number, since it uses as much as digits as its factorization.

121213463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11017.

The product of its digits is 864, while the sum is 23.

The square root of 121213463 is about 11009.6985880632. The cubic root of 121213463 is about 494.8994292841.

Adding to 121213463 its reverse (364312121), we get a palindrome (485525584).

The spelling of 121213463 in words is "one hundred twenty-one million, two hundred thirteen thousand, four hundred sixty-three".