1212212020276 has 48 divisors (see below), whose sum is σ = 2307213441792. Its totient is φ = 555022310400.

The previous prime is 1212212020183. The next prime is 1212212020277. The reversal of 1212212020276 is 6720202122121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212212020277) 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, 430831 + ... + 1615561.

It is an arithmetic number, because the mean of its divisors is an integer number (48066946704).

Almost surely, 2^{1212212020276} is an apocalyptic number.

It is an amenable number.

1212212020276 is a deficient number, since it is larger than the sum of its proper divisors (1095001421516).

1212212020276 is a wasteful number, since it uses less digits than its factorization.

1212212020276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185160 (or 1185158 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 1212212020276 its reverse (6720202122121), we get a palindrome (7932414142397).

The spelling of 1212212020276 in words is "one trillion, two hundred twelve billion, two hundred twelve million, twenty thousand, two hundred seventy-six".