1212020200210 has 32 divisors (see below), whose sum is σ = 2220285236400. Its totient is φ = 476240117760.

The previous prime is 1212020200201. The next prime is 1212020200231. The reversal of 1212020200210 is 120020202121.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 497655469809 + 714364730401 = 705447^2 + 845201^2 .

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, 822795 + ... + 1760974.

Almost surely, 2^{1212020200210} is an apocalyptic number.

1212020200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212020200210 is a deficient number, since it is larger than the sum of its proper divisors (1008265036190).

1212020200210 is a wasteful number, since it uses less digits than its factorization.

1212020200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584606.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1212020200210 its reverse (120020202121), we get a palindrome (1332040402331).

The spelling of 1212020200210 in words is "one trillion, two hundred twelve billion, twenty million, two hundred thousand, two hundred ten".