2131212202029 has 24 divisors (see below), whose sum is σ = 3116575624032. Its totient is φ = 1403276988960.

The previous prime is 2131212202003. The next prime is 2131212202037. The reversal of 2131212202029 is 9202022121312.

2131212202029 is a `hidden beast` number, since 21 + 312 + 122 + 0 + 202 + 9 = 666.

It is not a de Polignac number, because 2131212202029 - 2⁸ = 2131212201773 is a prime.

It is a super-2 number, since 2×2131212202029² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2131212201993 and 2131212202011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131212202039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3024294 + ... + 3661799.

It is an arithmetic number, because the mean of its divisors is an integer number (129857317668).

Almost surely, 2^{2131212202029} is an apocalyptic number.

It is an amenable number.

2131212202029 is a deficient number, since it is larger than the sum of its proper divisors (985363422003).

2131212202029 is a wasteful number, since it uses less digits than its factorization.

2131212202029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6686537 (or 6686534 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 2131212202029 in words is "two trillion, one hundred thirty-one billion, two hundred twelve million, two hundred two thousand, twenty-nine".