12202121210 has 8 divisors (see below), whose sum is σ = 21963818196. Its totient is φ = 4880848480.

The previous prime is 12202121209. The next prime is 12202121231. The reversal of 12202121210 is 1212120221.

It can be written as a sum of positive squares in 2 ways, for example, as 11730406249 + 471714961 = 108307^2 + 21719^2 .

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

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, 610106051 + ... + 610106070.

Almost surely, 2^12202121210 is an apocalyptic number.

12202121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12202121210 is a deficient number, since it is larger than the sum of its proper divisors (9761696986).

12202121210 is a wasteful number, since it uses less digits than its factorization.

12202121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220212128.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12202121210 its reverse (1212120221), we get a palindrome (13414241431).

The spelling of 12202121210 in words is "twelve billion, two hundred two million, one hundred twenty-one thousand, two hundred ten".