121210352 has 10 divisors (see below), whose sum is σ = 234845088. Its totient is φ = 60605168.

The previous prime is 121210351. The next prime is 121210379. The reversal of 121210352 is 253012121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121210352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3787808 + ... + 3787839.

Almost surely, 2^121210352 is an apocalyptic number.

It is an amenable number.

121210352 is a deficient number, since it is larger than the sum of its proper divisors (113634736).

121210352 is an equidigital number, since it uses as much as digits as its factorization.

121210352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7575655 (or 7575649 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 121210352 is about 11009.5573026348. The cubic root of 121210352 is about 494.8951953064.

Adding to 121210352 its reverse (253012121), we get a palindrome (374222473).

The spelling of 121210352 in words is "one hundred twenty-one million, two hundred ten thousand, three hundred fifty-two".