121235212102 has 8 divisors (see below), whose sum is σ = 184154752800. Its totient is φ = 59850294504.

The previous prime is 121235212093. The next prime is 121235212123. The reversal of 121235212102 is 201212532121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383655577 + ... + 383655892.

It is an arithmetic number, because the mean of its divisors is an integer number (23019344100).

Almost surely, 2^121235212102 is an apocalyptic number.

121235212102 is a deficient number, since it is larger than the sum of its proper divisors (62919540698).

121235212102 is an equidigital number, since it uses as much as digits as its factorization.

121235212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767311550.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 121235212102 its reverse (201212532121), we get a palindrome (322447744223).

It can be divided in two parts, 12123 and 5212102, that added together give a palindrome (5224225).

The spelling of 121235212102 in words is "one hundred twenty-one billion, two hundred thirty-five million, two hundred twelve thousand, one hundred two".