124210121012421 has 32 divisors (see below), whose sum is σ = 180096269891328. Its totient is φ = 75828772131840.

The previous prime is 124210121012407. The next prime is 124210121012423.

124210121012421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 124210121012421 - 2⁶ = 124210121012357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124210121012391 and 124210121012400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124210121012423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358079256 + ... + 358425966.

It is an arithmetic number, because the mean of its divisors is an integer number (5628008434104).

Almost surely, 2^{124210121012421} is an apocalyptic number.

It is an amenable number.

124210121012421 is a deficient number, since it is larger than the sum of its proper divisors (55886148878907).

124210121012421 is a wasteful number, since it uses less digits than its factorization.

124210121012421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536621.

The product of its (nonzero) digits is 512, while the sum is 24.

The spelling of 124210121012421 in words is "one hundred twenty-four trillion, two hundred ten billion, one hundred twenty-one million, twelve thousand, four hundred twenty-one".