1212132102210 has 24 divisors (see below), whose sum is σ = 3151543465980. Its totient is φ = 323235227232.

The previous prime is 1212132102197. The next prime is 1212132102253. The reversal of 1212132102210 is 122012312121.

1212132102210 is a `hidden beast` number, since 1 + 2 + 121 + 321 + 0 + 221 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1176875655921 + 35256446289 = 1084839^2 + 187767^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6734067145 + ... + 6734067324.

Almost surely, 2^{1212132102210} is an apocalyptic number.

1212132102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212132102210 is an abundant number, since it is smaller than the sum of its proper divisors (1939411363770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212132102210 is a wasteful number, since it uses less digits than its factorization.

1212132102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13468134482 (or 13468134479 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1212132102210 its reverse (122012312121), we get a palindrome (1334144414331).

The spelling of 1212132102210 in words is "one trillion, two hundred twelve billion, one hundred thirty-two million, one hundred two thousand, two hundred ten".