1212203110102 has 16 divisors (see below), whose sum is σ = 1836006430752. Its totient is φ = 600201276480.

The previous prime is 1212203110057. The next prime is 1212203110109. The reversal of 1212203110102 is 2010113022121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212203110109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13725228 + ... + 13813264.

It is an arithmetic number, because the mean of its divisors is an integer number (114750401922).

Almost surely, 2^{1212203110102} is an apocalyptic number.

1212203110102 is a deficient number, since it is larger than the sum of its proper divisors (623803320650).

1212203110102 is a wasteful number, since it uses less digits than its factorization.

1212203110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154983.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1212203110102 its reverse (2010113022121), we get a palindrome (3222316132223).

The spelling of 1212203110102 in words is "one trillion, two hundred twelve billion, two hundred three million, one hundred ten thousand, one hundred two".