1212011210210 has 32 divisors (see below), whose sum is σ = 2204348413680. Its totient is φ = 479754842112.

The previous prime is 1212011210161. The next prime is 1212011210231. The reversal of 1212011210210 is 120121102121.

It can be written as a sum of positive squares in 8 ways, for example, as 155899415281 + 1056111794929 = 394841^2 + 1027673^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9673646 + ... + 9798134.

Almost surely, 2^{1212011210210} is an apocalyptic number.

1212011210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212011210210 is a deficient number, since it is larger than the sum of its proper divisors (992337203470).

1212011210210 is a wasteful number, since it uses less digits than its factorization.

1212011210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134630.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212011210210 its reverse (120121102121), we get a palindrome (1332132312331).

The spelling of 1212011210210 in words is "one trillion, two hundred twelve billion, eleven million, two hundred ten thousand, two hundred ten".