1212202110102 has 24 divisors (see below), whose sum is σ = 2558720248056. Its totient is φ = 382800665664.

The previous prime is 1212202110101. The next prime is 1212202110209. The reversal of 1212202110102 is 2010112022121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212202110101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279822883 + ... + 279827214.

It is an arithmetic number, because the mean of its divisors is an integer number (106613343669).

Almost surely, 2^{1212202110102} is an apocalyptic number.

1212202110102 is an abundant number, since it is smaller than the sum of its proper divisors (1346518137954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212202110102 is a wasteful number, since it uses less digits than its factorization.

1212202110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559650140 (or 559650121 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212202110102 its reverse (2010112022121), we get a palindrome (3222314132223).

It can be divided in two parts, 121220 and 2110102, that added together give a palindrome (2231322).

The spelling of 1212202110102 in words is "one trillion, two hundred twelve billion, two hundred two million, one hundred ten thousand, one hundred two".