10400121302 has 4 divisors (see below), whose sum is σ = 15600181956. Its totient is φ = 5200060650.

The previous prime is 10400121271. The next prime is 10400121311. The reversal of 10400121302 is 20312100401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20312100401 = 1297 ⋅15660833.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600030324 + ... + 2600030327.

It is an arithmetic number, because the mean of its divisors is an integer number (3900045489).

Almost surely, 2^10400121302 is an apocalyptic number.

10400121302 is a deficient number, since it is larger than the sum of its proper divisors (5200060654).

10400121302 is an equidigital number, since it uses as much as digits as its factorization.

10400121302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200060653.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10400121302 its reverse (20312100401), we get a palindrome (30712221703).

The spelling of 10400121302 in words is "ten billion, four hundred million, one hundred twenty-one thousand, three hundred two".