121007220512126 has 16 divisors (see below), whose sum is σ = 197012361444864. Its totient is φ = 55409726653344.

The previous prime is 121007220512089. The next prime is 121007220512131. The reversal of 121007220512126 is 621215022700121.

It is a super-3 number, since 3×121007220512126³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121007220512092 and 121007220512101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18323319005 + ... + 18323325608.

It is an arithmetic number, because the mean of its divisors is an integer number (12313272590304).

Almost surely, 2^{121007220512126} is an apocalyptic number.

121007220512126 is a deficient number, since it is larger than the sum of its proper divisors (76005140932738).

121007220512126 is a wasteful number, since it uses less digits than its factorization.

121007220512126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36646644755.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 121007220512126 in words is "one hundred twenty-one trillion, seven billion, two hundred twenty million, five hundred twelve thousand, one hundred twenty-six".