1213012101102 has 16 divisors (see below), whose sum is σ = 2568731508432. Its totient is φ = 380552816000.

The previous prime is 1213012101089. The next prime is 1213012101107. The reversal of 1213012101102 is 2011012103121.

It is a super-2 number, since 2×1213012101102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213012101107) 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, 5946137649 + ... + 5946137852.

It is an arithmetic number, because the mean of its divisors is an integer number (160545719277).

Almost surely, 2^{1213012101102} is an apocalyptic number.

1213012101102 is an abundant number, since it is smaller than the sum of its proper divisors (1355719407330).

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

1213012101102 is a wasteful number, since it uses less digits than its factorization.

1213012101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11892275523.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1213012101102 its reverse (2011012103121), we get a palindrome (3224024204223).

The spelling of 1213012101102 in words is "one trillion, two hundred thirteen billion, twelve million, one hundred one thousand, one hundred two".