121210121303210 has 64 divisors (see below), whose sum is σ = 230419838436480. Its totient is φ = 45780558946560.

The previous prime is 121210121303123. The next prime is 121210121303231. The reversal of 121210121303210 is 12303121012121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2034345620 + ... + 2034405200.

It is an arithmetic number, because the mean of its divisors is an integer number (3600309975570).

Almost surely, 2^{121210121303210} is an apocalyptic number.

121210121303210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121210121303210 is a deficient number, since it is larger than the sum of its proper divisors (109209717133270).

121210121303210 is a wasteful number, since it uses less digits than its factorization.

121210121303210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94791.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121210121303210 its reverse (12303121012121), we get a palindrome (133513242315331).

The spelling of 121210121303210 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twenty-one million, three hundred three thousand, two hundred ten".