1201212020110 has 32 divisors (see below), whose sum is σ = 2259709607232. Its totient is φ = 458877112320.

The previous prime is 1201212020083. The next prime is 1201212020117. The reversal of 1201212020110 is 110202121021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201212020117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3926409 + ... + 4221268.

It is an arithmetic number, because the mean of its divisors is an integer number (70615925226).

Almost surely, 2^{1201212020110} is an apocalyptic number.

1201212020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201212020110 is a deficient number, since it is larger than the sum of its proper divisors (1058497587122).

1201212020110 is a wasteful number, since it uses less digits than its factorization.

1201212020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8148348.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201212020110 its reverse (110202121021), we get a palindrome (1311414141131).

The spelling of 1201212020110 in words is "one trillion, two hundred one billion, two hundred twelve million, twenty thousand, one hundred ten".