1212210202102 has 32 divisors (see below), whose sum is σ = 1864143590400. Its totient is φ = 591023966208.

The previous prime is 1212210202087. The next prime is 1212210202127. The reversal of 1212210202102 is 2012020122121.

It is a happy number.

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, 43642623 + ... + 43670389.

It is an arithmetic number, because the mean of its divisors is an integer number (58254487200).

Almost surely, 2^{1212210202102} is an apocalyptic number.

1212210202102 is a deficient number, since it is larger than the sum of its proper divisors (651933388298).

1212210202102 is a wasteful number, since it uses less digits than its factorization.

1212210202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31260.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1212210202102 its reverse (2012020122121), we get a palindrome (3224230324223).

The spelling of 1212210202102 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred two thousand, one hundred two".