10012121402 has 8 divisors (see below), whose sum is σ = 15808612800. Its totient is φ = 4742583804.

The previous prime is 10012121401. The next prime is 10012121411. The reversal of 10012121402 is 20412121001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10012121401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131738402 + ... + 131738477.

It is an arithmetic number, because the mean of its divisors is an integer number (1976076600).

Almost surely, 2^10012121402 is an apocalyptic number.

10012121402 is a deficient number, since it is larger than the sum of its proper divisors (5796491398).

10012121402 is a wasteful number, since it uses less digits than its factorization.

10012121402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263476900.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10012121402 its reverse (20412121001), we get a palindrome (30424242403).

The spelling of 10012121402 in words is "ten billion, twelve million, one hundred twenty-one thousand, four hundred two".