121212011001110 has 16 divisors (see below), whose sum is σ = 223255610960976. Its totient is φ = 47357250809568.

The previous prime is 121212011001101. The next prime is 121212011001119. The reversal of 121212011001110 is 11100110212121.

It is an interprime number because it is at equal distance from previous prime (121212011001101) and next prime (121212011001119).

It is a super-2 number, since 2×121212011001110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121212011001119) 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, 140944198409 + ... + 140944199268.

It is an arithmetic number, because the mean of its divisors is an integer number (13953475685061).

Almost surely, 2^{121212011001110} is an apocalyptic number.

121212011001110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121212011001110 is a deficient number, since it is larger than the sum of its proper divisors (102043599959866).

121212011001110 is a wasteful number, since it uses less digits than its factorization.

121212011001110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281888397727.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121212011001110 its reverse (11100110212121), we get a palindrome (132312121213231).

The spelling of 121212011001110 in words is "one hundred twenty-one trillion, two hundred twelve billion, eleven million, one thousand, one hundred ten".