10121001234 has 16 divisors (see below), whose sum is σ = 20251526880. Its totient is φ = 3372079680.

The previous prime is 10121001229. The next prime is 10121001239. The reversal of 10121001234 is 43210012101.

It is an interprime number because it is at equal distance from previous prime (10121001229) and next prime (10121001239).

It is not an unprimeable number, because it can be changed into a prime (10121001239) 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, 382999 + ... + 408570.

It is an arithmetic number, because the mean of its divisors is an integer number (1265720430).

Almost surely, 2^10121001234 is an apocalyptic number.

10121001234 is an abundant number, since it is smaller than the sum of its proper divisors (10130525646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121001234 is a wasteful number, since it uses less digits than its factorization.

10121001234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793705.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10121001234 its reverse (43210012101), we get a palindrome (53331013335).

The spelling of 10121001234 in words is "ten billion, one hundred twenty-one million, one thousand, two hundred thirty-four".