1212011102 has 32 divisors (see below), whose sum is σ = 1954847520. Its totient is φ = 561824640.

The previous prime is 1212011089. The next prime is 1212011111. The reversal of 1212011102 is 2011102121.

It is a super-2 number, since 2×1212011102² = 2937941822742508808, which contains 22 as substring.

It is a congruent number.

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, 1475852 + ... + 1476672.

It is an arithmetic number, because the mean of its divisors is an integer number (61088985).

Almost surely, 2^1212011102 is an apocalyptic number.

1212011102 is a deficient number, since it is larger than the sum of its proper divisors (742836418).

1212011102 is a wasteful number, since it uses less digits than its factorization.

1212011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1212011102 is about 34813.9498190022. The cubic root of 1212011102 is about 1066.1922777019.

Adding to 1212011102 its reverse (2011102121), we get a palindrome (3223113223).

It can be divided in two parts, 121 and 2011102, that multiplied together give a palindrome (243343342).

The spelling of 1212011102 in words is "one billion, two hundred twelve million, eleven thousand, one hundred two".